Shareholders' Equity - Changes in Accumulated Other Comprehensive Income (Loss) Balances (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2018	$ (62,973)
Reclassification to the income statement	(2,969)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for New Accounting Standards, Net of Tax	(668)
Change in fair value	(6,110)
Balance as of December 31, 2019	(72,720)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2018	(60,504)
Reclassification to the income statement	0
Change in fair value	(2,792)
Balance as of December 31, 2019	(63,296)
Cash Flow Hedging Derivatives
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2018	423
Reclassification to the income statement	(3,219)
Change in fair value	(3,318)
Balance as of December 31, 2019	(6,114)
Retirement Plan and Other Activity
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2018	(2,892)
Reclassification to the income statement	250
Change in fair value	0
Balance as of December 31, 2019	(3,310)
Accumulated other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for New Accounting Standards, Net of Tax	$ (668)