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Debt - Summary of Outstanding Debt (Detail) - USD ($) $ in Thousands		Jun. 29, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Foreign subsidiary lines of credit		$ 295	$ 178
Total notes payable and debt, current		100,295	178
Unamortized debt issuance costs		(1,606)	(1,828)
Long-term debt		1,048,394	1,148,172
Total debt		1,148,689	1,148,350
Senior Unsecured Notes Series B [Member]
Debt Instrument [Line Items]
Total notes payable and debt, current		100,000
Long-term debt			100,000
Senior Unsecured Notes Series E [Member]
Debt Instrument [Line Items]
Long-term debt		50,000	50,000
Senior Unsecured Notes Series F [Member]
Debt Instrument [Line Items]
Long-term debt		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
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Long-term debt		$ 590,000	$ 590,000
[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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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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