Basis of Presentation (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2016 USD ($)	Jun. 27, 2015 USD ($)	Jun. 25, 2016 USD ($) segments	Jun. 27, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments | segments			3
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 434,055	$ 339,573	$ 788,923	$ 659,987
Operating income	58,061	55,735	109,533	98,740
Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating income	94,947	82,041	181,778	151,200
RMS | Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	125,058	119,287	248,397	238,676
Operating income	35,445	33,304	71,831	62,154
RMS | Operating segments | Reclassified Between Segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues			(1,400)
Operating income			(200)
Manufacturing | Operating segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	87,938	66,911	161,484	127,924
Operating income	$ 27,121	$ 20,588	46,736	$ 37,381
Manufacturing | Operating segments | Reclassified Between Segments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues			1,400
Operating income			$ 200