Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 923,741
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	101	$ 2,912	$ 267
Unrealized gain (loss) on available-for-sale securities (Note 19)	2	3	(4)
Foreign currency translation adjustments	29,468	(9,577)	33,165
Balance at end of period	966,802	923,741
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	(50,335)	(57,296)	(115,552)
Tax (expense) benefit	(1,514)	703	(12,804)
Total other comprehensive gain (loss) before reclassifications, net of tax	7,140	(2,159)	41,580
Tax benefit	(185)	(3,273)	(5,760)
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	543	9,120	16,676
Foreign currency translation adjustments	7,683	6,961	58,256
Balance at end of period	(42,652)	(50,335)	(57,296)
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	(84)	(199)	(95)
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)	8,654	(2,862)	54,384
Amounts reclassified from Accumulated other comprehensive loss	812	12,592	22,531
Accumulated defined benefit plans adjustment attributable to noncontrolling interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	0	0	0
Tax (expense) benefit	0	0	0
Total other comprehensive gain (loss) before reclassifications, net of tax	0	0	0
Tax benefit	0	0	0
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	0	0	0
Foreign currency translation adjustments	0	0	0
Balance at end of period	0	0	0
Accumulated defined benefit plans adjustment, net prior service attributable to noncontrolling interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from Accumulated other comprehensive loss	0	0	0
Accumulated defined benefit plans adjustment, net gain (loss) attributable to noncontrolling interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Unrecognized net actuarial gains (losses)	0	0	0
Amounts reclassified from Accumulated other comprehensive loss	0	0	0
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	(2)	(5)	(1)
Unrealized gain (loss) on available-for-sale securities (Note 19)	2	3	(4)
Balance at end of period	0	(2)	(5)
Accumulated net investment gain (loss) attributable to noncontrolling interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	0	0	0
Unrealized gain (loss) on available-for-sale securities (Note 19)	0	0	0
Balance at end of period	0	0	0
Accumulated foreign currency adjustment attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(108,380)	(91,839)	(66,844)
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	101	2,912	267
Foreign currency translation adjustments	21,682	(19,453)	(25,262)
Acquisition of noncontrolling interests in consolidated subsidiaries	0	0	0
Balance at end of period	(86,597)	(108,380)	(91,839)
Accumulated foreign currency adjustment attributable to noncontrolling interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	0	0	372
Total amount reclassified from accumulated other comprehensive loss, net of tax, into net income	0	0	0
Foreign currency translation adjustments	0	0	(92)
Acquisition of noncontrolling interests in consolidated subsidiaries	0	0	(280)
Balance at end of period	$ 0	$ 0	$ 0