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Basis of Presentation (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2016 USD ($)	Sep. 26, 2015 USD ($)	Sep. 24, 2016 USD ($) segments	Sep. 26, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments | segments			3
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 425,720	$ 349,465	$ 1,214,643	$ 1,009,452
Operating income	58,795	55,440	168,328	154,180
Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating income	89,238	83,109	271,016	234,309
RMS | Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	120,928	117,894	369,325	356,570
Operating income	31,224	31,427	103,055	93,581
RMS | Operating segments | Reclassified Between Segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues				(1,900)
Operating income				(200)
Manufacturing | Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	88,975	73,299	250,459	201,223
Operating income	$ 26,711	$ 18,491	$ 73,447	55,872
Manufacturing | Operating segments | Reclassified Between Segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues				1,900
Operating income				$ 200

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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)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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