Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period			$ 834,388
Reclassification from accumulated other comprehensive loss into net income	$ 2,912	$ 0	2,912	$ 0
Other comprehensive income (loss)	(27,137)	(10,178)	(48,275)	(7,018)
Balance at end of period	842,415		842,415
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	(52,702)	(108,183)	(57,296)	(115,552)
Tax benefit	(981)	(1,095)	(2,947)	(3,318)
Reclassification from accumulated other comprehensive loss into net income	2,299	3,701	6,893	11,070
Balance at end of period	(50,403)	(104,482)	(50,403)	(104,482)
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	(48)	(24)	(144)	(72)
Accumulated defined benefit plans adjustment, net gain (loss) attributable to parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss	3,328	4,820	9,984	14,460
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	0
Tax benefit	0	0	0	0
Reclassification from accumulated other comprehensive loss into net income	0	0	0	0
Balance at end of period	0	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	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]
Amounts reclassified from accumulated other comprehensive loss	0	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	(23)	(5)	(5)	(1)
Other comprehensive income (loss)	13	(11)	(5)	(15)
Balance at end of period	(10)	(16)	(10)	(16)
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	0
Other comprehensive income (loss)	0	0	0	0
Balance at end of period	0	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	(117,553)	(70,957)	(91,839)	(66,844)
Reclassification from accumulated other comprehensive loss into net income	2,912	0
Acquisition of noncontrolling interest in consolidated subsidiaries	0	0
Other comprehensive income (loss)	(32,361)	(13,868)	(58,075)	(17,981)
Balance at end of period	(147,002)	(84,825)	(147,002)	(84,825)
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	280	0	372
Reclassification from accumulated other comprehensive loss into net income	0	0
Acquisition of noncontrolling interest in consolidated subsidiaries	0	(280)
Other comprehensive income (loss)	0		0	(92)
Balance at end of period	$ 0	$ 0	$ 0	$ 0