Shareholders' equity - Accumulated other comprehensive income (loss) into income expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of goods sold	$ 1,327,558	$ 1,259,954	$ 1,259,961
Income from continuing operations before taxes	434,012	445,919	559,468
Taxes on income from continuing operations	(76,440)	(83,003)	(74,349)
Net of tax	357,572	362,916	485,119
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Impact on income from continuing operations, net of tax	(6,479)	1,768	6,987
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges | Foreign Exchange Forward
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of goods sold	(12,234)	(3,532)	1,150
Income from continuing operations before taxes	(12,234)	(3,532)	1,150
Taxes on income from continuing operations	385	203	62
Net of tax	(11,849)	(3,329)	1,212
Reclassification out of Accumulated Other Comprehensive Income | Pension and Other Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income from continuing operations before taxes	6,981	6,643	7,531
Taxes on income from continuing operations	(1,611)	(1,546)	(1,756)
Net of tax	5,370	5,097	5,775
Actuarial losses	7,989	7,660	8,543
Prior-service credits	$ (1,008)	$ (1,017)	$ (1,012)