Amounts Recognized in AOCI (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	$ 6,149,001
Other comprehensive income (loss), Pretax amount	(804)	$ 19,437	$ (40,179)
Other comprehensive income (loss), Income tax effect	(1,284)	(480)	220
Total other comprehensive income (loss), net of tax	(2,088)	18,957	(39,959)
Ending balance, net of income tax	6,666,207	6,149,001
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	(17)	(17)	(17)
Other comprehensive income (loss), Pretax amount	17	0	0
Other comprehensive income (loss), Income tax effect	0	0	0
Total other comprehensive income (loss), net of tax	17	0	0
Ending balance, net of income tax	0	(17)	(17)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	11,536	(4,255)	33,524
Other comprehensive income (loss), Pretax amount	(3,237)	15,271	(37,310)
Other comprehensive income (loss), Income tax effect	(704)	520	(469)
Total other comprehensive income (loss), net of tax	(3,941)	15,791	(37,779)
Ending balance, net of income tax	7,595	11,536	(4,255)
Minimum Pension Liability
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	(2,230)	(5,396)	(3,216)
Other comprehensive income (loss), Pretax amount	2,416	4,166	(2,869)
Other comprehensive income (loss), Income tax effect	(580)	(1,000)	689
Total other comprehensive income (loss), net of tax	1,836	3,166	(2,180)
Ending balance, net of income tax	(394)	(2,230)	(5,396)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, net of income tax	9,289	(9,668)	30,291
Ending balance, net of income tax	$ 7,201	$ 9,289	$ (9,668)