| Indefinite- lived intangible impairment | $1.6B | $1.6B | $1.6B | $1.6B | $1.6B | $1.8B | $1.7B | $1.8B |
| Gross Carrying Amount | $1.6B | $1.6B | $1.6B | $1.6B | $1.6B | $1.7B | $1.7B | $1.7B |
| Remaining performance obligations related to customer contracts that are unsatisfied or partially unsatisfied | $461.6M | $487.3M | $516.2M | $542.2M | $613.5M | $998.7M | $1.1B | $1.3B |
| Finite Lived Intangible Assets Amortization Expense Rolling After Year Five | — | — | — | — | $907.7M | $965.8M | $965.8M | $965.9M |
| Cumulative Cost Basis | — | — | — | $738.1M | — | — | — | $844.4M |
| Long-term debt, gross | $1.1B | $1.1B | $1B | $495.1M | $495.4M | $495.6M | $495.9M | $496.1M |
| Fair value of long-term debt | $461.2M | $480.7M | $466.3M | $470.5M | $485M | $486.7M | $493.1M | $484.3M |
| Finite-Lived Intangible Assets, Accumulated Amortization | -$230.5M | -$266.5M | -$283.9M | -$301.8M | -$320.3M | -$341.1M | -$353.6M | -$374.7M |
| Secured lines of credit | $635.2M | $600M | $500M | $418M | $413M | $568M | $488M | $373M |
| Deferred Tax Liabilities, Gross | — | — | — | $344.9M | — | — | — | $347M |
| Deferred income taxes | $280.2M | $274.3M | $270.9M | $257.8M | $252.6M | $266.2M | $270.1M | $267.3M |
| Deferred Tax Liabilities, Net | — | — | — | $256.8M | — | — | — | $266.1M |
| Amount outstanding under the credit facility | — | — | — | $5M | — | $200M | $200M | $200M |
| Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Fair Value | — | — | — | — | — | $123.1M | $123.1M | $123.8M |
| Total Lease Liabilities | — | — | — | $108.8M | — | — | — | $115.9M |
| Operating Lease And Financing Lease Assets Net | — | — | — | $103.9M | — | — | — | $110.1M |
| Deferred Tax Assets, Gross | — | — | — | $93.8M | — | — | — | $87.6M |
| Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months | — | — | — | — | $67.7M | $82.8M | $81.6M | $86.2M |
| Finite Lived Intangible Assets Amortization Expense Rolling Year Two | — | — | — | — | $64.9M | $78.2M | $78.9M | $81.1M |
| Deferred Tax Assets, Net of Valuation Allowance | — | — | — | $88.1M | — | — | — | $80.9M |
| Finite Lived Intangible Assets Amortization Expense Rolling Year Three | — | — | — | — | $64.5M | $77.9M | $78.4M | $79M |
| Finite Lived Intangible Assets Amortization Expense Rolling Year Four | — | — | — | — | $64.5M | $72.5M | $72.5M | $72.6M |
| Finite Lived Intangible Assets Amortization Expense Rolling Year Five | — | — | — | — | $64.3M | $69.3M | $69.1M | $69.1M |
| Common stock, shares authorized (in shares) | $60M | $60M | $60M | $60M | $60M | $60M | $60M | $60M |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | — | — | — | $39.7M | — | — | — | $55M |
| Finance Lease, Right-of-Use Asset, after Accumulated Amortization | — | — | — | $45.3M | — | — | — | $41.4M |
| Accrued Exchange Fee Rebate Current | — | — | — | $40M | $40.8M | $41.5M | $49.4M | $40.7M |
| Deferred Tax Liabilities, Property, Plant and Equipment | — | — | — | $31.1M | — | — | — | $35.6M |
| Common stock, shares issued (in shares) | $30.3M | $30.4M | $32.5M | $32.5M | $32.6M | $32.7M | $32.7M | $32.7M |
| Common Stock, Shares, Outstanding | — | $30.4M | $32.5M | $32.5M | $32.6M | $32.7M | $32.7M | $32.7M |
| Deferred Compensation Liability, Classified, Noncurrent | — | — | — | $27.4M | — | — | — | $30.1M |
| Loans Payable | — | — | — | — | — | — | $67M | $27M |
| Nonamortizable Repair Station Certifications Gross Carrying Amount | $24.3M | $24.3M | $24.3M | $24.3M | $24.3M | $24.3M | $24.3M | $24.3M |
| Finance Lease, Right-of-Use Asset, Accumulated Amortization | — | — | — | $15.3M | — | — | — | $20.1M |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value | — | — | — | $19.4 | — | — | — | $19.1M |
| Income taxes payable – long-term | — | — | — | $16.2M | — | — | — | $16.9M |
| Deferred Tax Liabilities Operating Lease Liabilities | — | — | — | -$10.5M | — | — | — | -$12.8M |
| Other accrued liabilities | — | — | — | $6.9M | $9.2M | $10.6M | $9.1M | $12.6M |
| Deferred Tax Asset Operating Lease Assets | — | — | — | $10.3M | — | — | — | $12.5M |
| Accrued expenses | — | — | — | $9.6M | — | — | — | $10.7M |
| Preferred Stock, Shares Authorized | $10M | $10M | $10M | $10M | $10M | $10M | $10M | $10M |
| Accrued Returns And Warranties Current | — | — | — | $9.4M | $9.7M | $10.1M | $9.6M | $9.6M |
| Deferred Finance Costs Noncurrent Net | — | — | — | $8.3M | $7.5M | $6.8M | $7.7M | $7M |
| Deferred Tax Assets, Valuation Allowance | — | — | — | $5.7M | — | — | — | $6.7M |
| Allowance for doubtful accounts | $4.2M | $4.1M | $4.7M | $5.4M | $5.4M | $5.5M | $5.8M | $6.3M |
| Defined Benefit Plan Amounts Recognized in Balance Sheet | — | — | — | $5.7M | — | — | — | $5.8M |
| Current maturities of long-term debt | $5.9M | $5.9M | $5.9M | $5.9M | $5.9M | $5.8M | $5.7M | $5.6M |
| Operating Loss Carryforwards | — | — | — | $5.3M | — | — | — | $4.7M |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost | — | — | — | $4.1M | — | — | — | $4M |
| Professional service fees | — | — | — | $2.1M | $1.2M | $1.9M | $1.5M | $3.8M |
| Letters of Credit Outstanding, Amount | — | — | — | $3.7M | — | — | — | $3.7M |
| Federal And State Credits And State Tax | — | — | — | $1.6M | — | — | — | $2.1M |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | — | — | — | $2M | — | — | — | $2M |
| Penalties and interest accrued on unrecognized tax benefits | — | — | — | $1.6M | — | — | — | $2M |
| R&D credit carryforward | — | — | — | $21.5M | — | — | — | $1.8M |
| Shares reserved for awards to employees and outside directors (in shares) | — | — | — | $1.5M | — | — | — | $1.5M |
| Deferred Tax Liabilities Finance Lease Liabilities | — | — | — | -$900K | — | — | — | -$1.1M |
| Treasury stock, shares (in shares) | $1M | $1M | $1M | $1M | $1.1M | $1.1M | $1.1M | $1.1M |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits | — | — | — | $1.3M | — | — | — | $800K |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | — | — | — | $314K | — | — | — | $210.4K |
| Borrowings Under Guaranteed Investment Agreements | — | $100K | $100K | $100K | $100K | $100K | $100K | $100K |
| Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number | — | — | — | $123.3K | — | — | — | $58.6K |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price | — | — | — | $199.2 | — | — | — | $271.1 |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price | — | — | — | $168.2 | — | — | — | $206.4 |
| Percentage of fair value in excess of carrying amount | — | — | — | 13.8% | — | — | — | 38.8% |
| Ownership interest | — | — | — | 20.0% | — | — | — | 20.0% |
| Discount Rates Used To Determine The Funded Status Of The Plan | — | — | — | 5.3% | — | — | — | 5.4% |
| Percentage Of Hourly Employees | — | — | — | 5.0% | — | — | — | 4.0% |
| Weighted-Average Discount Rate | — | — | — | 3.5% | — | — | — | 3.5% |
| Weighted-Average Discount Rate - Finance Leases | — | — | — | $0 | — | — | — | $0 |
| Common stock, par value (in dollars per share) | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Preferred Stock, Par or Stated Value Per Share | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Decrease in Unrecognized Tax Benefits is Reasonably Possible | $1.9M | $1.9M | $1.9M | — | $1.5M | $1.5M | $1.3M | — |
| Accumulated Other Comprehensive Loss Of Cross Currency Swap Net Of Taxes | — | — | — | $200K | — | $6.4M | $6.8M | — |
| Prepaid expense and other assets | — | — | — | — | — | $2M | — | — |
| Noncurrent assets | — | — | — | — | — | $800K | — | — |
| Inventory | — | — | — | — | — | $61.4M | — | — |
| Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets | — | — | — | — | — | $2.5M | — | — |
| Net assets acquired | — | — | — | — | — | $127.9M | — | — |
| Business Combination Recognized Identifiable Assets Acquired Accrued Expenses | — | — | — | — | — | $21.5M | — | — |
| Accounts receivable | — | — | — | — | — | $11.2M | — | — |
| Purchased finite-lived intangible assets | — | — | — | — | — | $123.8M | — | — |
| Decrease in Unrecognized Tax Benefits is Reasonably Possible | $1.9M | $1.9M | $1.9M | — | $1.5M | $1.5M | $1.3M | — |
| Remainder of 2026 | $54.4M | $36.3M | $18.1M | — | $53.1M | $43.5M | $25.3M | — |
| Inventory Finished Goods And Components Percentage | — | — | — | 69.2% | — | 67.2% | 67.8% | — |
| Inventory Raw Materials And Work In Process Percentage | — | — | — | 30.8% | — | 32.8% | 32.2% | — |
| Longterm Debt Percentage Bearing Fixed Interest Amount | — | $4M | — | — | — | — | — | — |
| Operating Loss Carryforwards Valuation Allowance | — | — | — | $1.3M | — | — | — | — |
| Preferred Stock, Shares Issued | $4.6M | $4.6M | $0 | $0 | $0 | $0 | $0 | $0 |
| Preferred Stock, Shares Outstanding | — | $4.6M | $0 | $0 | $0 | $0 | $0 | $0 |
| Total Inventory Percentage | — | — | — | 100.0% | — | 100.0% | 100.0% | — |
| Remainder of Fiscal Year 2024 | $54.4M | $36.3M | $18.1M | — | $53.1M | $43.5M | $25.3M | — |
| Remainder of Fiscal Year 2025 | $54.4M | $36.3M | $18.1M | — | $53.1M | $43.5M | $25.3M | — |
