Income taxes - Components of provision for income taxes from continuing operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 32,798	$ 134,336	$ 11,148
State	8,747	16,970	9,644
Non-U.S.	56,442	35,399	35,042
Deferred:
Federal	(27,528)	(85,272)	(9,475)
State	10,116	(16,933)	(13,734)
Non-U.S.	2,428	(10,151)	(10,694)
Provision for income taxes from continuing operations	$ 83,003	$ 74,349	$ 21,931