Amounts Recognized in AOCI (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	$ 6,317,146
Other comprehensive income (loss), Pretax amount	(19,316)	$ 18,047	$ 32,464
Other comprehensive income (loss), Income tax effect	1,487	(1,820)	(4,813)
Total other comprehensive income (loss), net of tax	(17,829)	16,227	27,651
Ending balance, net of income tax	6,089,664	6,317,146
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	(17)	(17)
Other comprehensive income (loss), Pretax amount	0	0
Other comprehensive income (loss), Income tax effect	0	0
Total other comprehensive income (loss), net of tax	0	0
Ending balance, net of income tax	(17)	(17)	(17)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	52,438	39,568
Other comprehensive income (loss), Pretax amount	(20,743)	13,619
Other comprehensive income (loss), Income tax effect	1,829	(749)
Total other comprehensive income (loss), net of tax	(18,914)	12,870
Ending balance, net of income tax	33,524	52,438	39,568
Minimum Pension Liability
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	(4,301)	(7,658)
Other comprehensive income (loss), Pretax amount	1,427	4,428
Other comprehensive income (loss), Income tax effect	(342)	(1,071)
Total other comprehensive income (loss), net of tax	1,085	3,357
Ending balance, net of income tax	(3,216)	(4,301)	(7,658)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	48,120	31,893
Ending balance, net of income tax	$ 30,291	$ 48,120	$ 31,893