Business segments and other information - total net revenues and total net property, plant and equipment by geographic region (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net revenues	$ 484,501	$ 443,714	$ 452,045	$ 429,430	$ 476,008	$ 457,173	$ 468,105	$ 438,546	$ 1,809,690	$ 1,839,832	$ 1,696,271
Property, plant and equipment, net	316,123				317,435				316,123	317,435	325,900
United States
Segment Reporting Information [Line Items]
Net revenues									967,819	916,619	844,884
Property, plant and equipment, net	178,895				174,893				178,895	174,893	203,985
Other Americas
Segment Reporting Information [Line Items]
Net revenues									56,500	60,736	57,098
Europe
Segment Reporting Information [Line Items]
Net revenues									570,672	664,982	568,559
Malaysia
Segment Reporting Information [Line Items]
Property, plant and equipment, net	33,777				36,427				33,777	36,427	29,313
Ireland
Segment Reporting Information [Line Items]
Property, plant and equipment, net	33,219				29,746				33,219	29,746	15,927
Czech Republic
Segment Reporting Information [Line Items]
Property, plant and equipment, net	32,305				35,655				32,305	35,655	41,607
All other
Segment Reporting Information [Line Items]
Net revenues									214,699	197,495	225,730
Property, plant and equipment, net	$ 37,927				$ 40,714				$ 37,927	$ 40,714	$ 35,068