Fair Value - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets:
Derivative Assets	$ 2,510	$ 3,607
Total assets	14,429	17,534
Liabilities:
Derivative Liabilities	697	251
Total liabilities	697	251
Quoted Prices in Active Markets For Identical Assets Level 1 [Member]
Assets:
Total assets	11,919	13,927
Liabilities:
Total liabilities	0	0
Significant Other Observable Inputs Level 2 [Member]
Assets:
Total assets	2,510	3,607
Liabilities:
Total liabilities	697	251
Significant Unobservable Inputs Level 3 [Member]
Assets:
Total assets	0	0
Liabilities:
Total liabilities	0	0
Equity Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	7,020	9,125
Equity Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Quoted Prices in Active Markets For Identical Assets Level 1 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	7,020	9,125
Equity Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Significant Other Observable Inputs Level 2 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	0	0
Equity Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Significant Unobservable Inputs Level 3 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	0	0
Debt Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	4,899	4,802
Debt Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Quoted Prices in Active Markets For Identical Assets Level 1 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	4,899	4,802
Debt Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Significant Other Observable Inputs Level 2 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	0	0
Debt Investments Held in Rabbi Trust for the Deferred Compensation Plan [Member] | Other Current Assets [Member] | Significant Unobservable Inputs Level 3 [Member]
Assets:
Investments held in rabbi trust for the Deferred Compensation Plan	0	0
Foreign Currency Contracts [Member]
Assets:
Derivative Assets	2,510	3,607
Liabilities:
Derivative Liabilities	697	251
Foreign Currency Contracts [Member] | Quoted Prices in Active Markets For Identical Assets Level 1 [Member]
Assets:
Derivative Assets	0	0
Liabilities:
Derivative Liabilities	0	0
Foreign Currency Contracts [Member] | Significant Other Observable Inputs Level 2 [Member]
Assets:
Derivative Assets	2,510	3,607
Liabilities:
Derivative Liabilities	697	251
Foreign Currency Contracts [Member] | Significant Unobservable Inputs Level 3 [Member]
Assets:
Derivative Assets	0	0
Liabilities:
Derivative Liabilities	$ 0	$ 0