Income taxes - Summary of U.S. and non-U.S. components of income from continuing operations before taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S.	$ 209,231	$ 233,034	$ 89,021
Non-U.S.	350,237	124,698	250,882
Income from continuing operations before taxes	$ 559,468	$ 357,732	$ 339,903