Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 28,813			$ 27,552			$ 84,869	$ 78,956
Income (loss) from continuing operations before income taxes and equity income	2,305			(5,306)			(5,602)	(3,856)
Income tax benefit (expense) from continuing operations	13,437			3,498			31,372	26,846
Net income (loss)	(12,267)	$ (11,120)	$ (16,846)	(10,094)	$ (15,838)	$ (8,590)	(40,233)	(34,522)
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity income	(325)			(1,095)			(2,575)	(683)
Income tax benefit (expense) from continuing operations	63			229			592	136
Net income (loss)	(262)			(866)			(1,983)	(547)
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments | Foreign currency exchange forward contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Product revenues	541			(270)			44	1,007
Amount Reclassified from Accumulated Other Comprehensive Loss | Cash flow hedging intruments | Interest rate swaps
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(866)			(825)			(2,619)	(1,690)
Amount Reclassified from Accumulated Other Comprehensive Loss | Defined benefit pension items
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity income	5,028			4,899			14,948	14,528
Income tax benefit (expense) from continuing operations	(263)			(292)			(788)	(877)
Net income (loss)	4,765			4,607			14,160	13,651
Amount Reclassified from Accumulated Other Comprehensive Loss | Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	4,909			4,783			14,594	14,183
Amount Reclassified from Accumulated Other Comprehensive Loss | Prior service costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	$ 119			$ 116			$ 354	$ 345