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Segment Information, Net Sales by Major Product Line (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014
Segment Information [Abstract] |  |  |
Percentage of net consolidated sales threshold constituting a major customer | 10.00% | 10.00% | 10.00%
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 2,055,622 | $ 2,100,002 | $ 2,364,227
Tube and Fittings [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 1,072,242 | 1,053,761 | 1,143,164
Brass Rod and Forgings [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 371,237 | 436,456 | 556,985
OEM Components, Tube & Assemblies [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 327,327 | 342,651 | 345,991
Valves and Plumbing Specialties [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 209,217 | 198,012 | 262,504
Other [Member] |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 75,599 | $ 69,122 | $ 55,583

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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