Investment in Unconsolidated Affiliates - Summarized Financial Information Derived from Equity Method Investees' Consolidated Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Balance sheet data [Abstract]
Current assets	$ 231,485		$ 244,323
Noncurrent assets	129,500		130,400
Current liabilities	152,710		148,806
Noncurrent liabilities	62,126		$ 71,681
Income statement data [Abstract]
Net sales	126,300	$ 151,600
Gross profit	15,600	1,800
Net (loss) income	$ (2,487)	$ 5,843