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Debt - Summary of Outstanding Debt (Detail) - USD ($) $ in Thousands | Apr. 03, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Total notes payable and debt, current |  | $ 100,000 | $ 150,000
Unamortized debt issuance costs |  | (6,910) | (3,485)
Total long-term debt |  | 1,603,090 | 1,206,515
Total debt |  | 1,703,090 | 1,356,515
Credit Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 300,000 | 400,000
Senior Unsecured Notes Series E [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Total notes payable and debt, current |  |  | 50,000
Senior Unsecured Notes Series F [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Total notes payable and debt, current |  | 100,000 | 100,000
Senior Unsecured Notes Series G [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 50,000 | 50,000
Senior Unsecured Notes Series H [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | [1] | 50,000 | 50,000
Senior Unsecured Notes Series I [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 50,000 | 50,000
Senior Unsecured Notes Series K [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 160,000 | 160,000
Senior Unsecured Notes Series L [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 200,000 | 200,000
Senior Unsecured Notes Series M [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 300,000 | $ 300,000
Senior Unsecured Notes Series N [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | 100,000 |
Senior Unsecured Notes Series O [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  | $ 400,000 |
[1] | Series H senior unsecured notes bear interest at a 3-month LIBOR for that floating rate interest period plus 1.25%.

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