Discontinued Operations (Summary of Major Classes of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jul. 02, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	$ 38,056	$ 67,285
Inventories	116,900	95,403
Property, Plant and equipment, net	48,124	49,475
Accounts payable	31,175	39,584
Accrued liabilities	12,342	12,244
Discontinued Operations Held-for-sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	2,351	13,781
Inventories		10,747
Property, Plant and equipment, net	2,984	34,365
Assets held for sale	5,335	58,893
Accounts payable	17	5,245
Accrued liabilities		1,008
Liabilities held for sale	$ 17	$ 6,253