Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 966,802
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	(1,200)	$ 101	$ 2,912
Unrealized gain on available-for-sale securities (Note 19)	0	2	3
Foreign currency translation adjustments	(12,400)	29,468	(9,577)
Balance at end of period	1,143,319	966,802
Accumulated defined benefit plans adjustment attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(42,652)	(50,335)	(57,296)
Tax (expense) benefit	(9,579)	(1,514)	703
Total other comprehensive gain (loss) before reclassifications, net of tax	29,470	7,140	(2,159)
Tax benefit	(648)	(185)	(3,273)
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	1,792	543	9,120
Foreign currency translation adjustments	31,262	7,683	6,961
Balance at end of period	(11,390)	(42,652)	(50,335)
Accumulated defined benefit plans adjustment, net prior service attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from Accumulated other comprehensive loss	(42)	(84)	(199)
Accumulated defined benefit plans adjustment, net gain (loss) attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Unrecognized net actuarial gains (losses)	39,049	8,654	(2,862)
Amounts reclassified from Accumulated other comprehensive loss	2,482	812	12,592
Accumulated net investment gain (loss) attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	0	(2)	(5)
Unrealized gain on available-for-sale securities (Note 19)	0	2	3
Balance at end of period	0	0	(2)
Accumulated foreign currency adjustment attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(86,597)	(108,380)	(91,839)
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	(1,200)	101	2,912
Foreign currency translation adjustments	(42,462)	21,682	(19,453)
Balance at end of period	$ (130,259)	$ (86,597)	$ (108,380)