Income taxes - Deferred tax assets and liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Tax loss and credit carryforwards	$ 114,147	$ 110,857
Lease Liabilities	30,397	32,339
Pension	0	1,163
Reserves and accruals	72,040	64,498
Other	33,472	24,013
Less: valuation allowances	(95,747)	(91,531)
Total deferred tax assets	154,309	141,339
Deferred tax liabilities:
Property, plant and equipment	34,852	25,427
Intangibles — stock acquisitions	462,559	379,298
Unremitted non-U.S. earnings	61,734	67,833
Lease Assets	30,397	32,339
Other	14,099	18,926
Total deferred tax liabilities	603,641	523,823
Net deferred tax liability	$ (449,332)	$ (382,484)