Segment Information - Revenue Per Significant Product or Service (Details) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 26, 2016 |
Mar. 28, 2015 |
|
Segment Reporting Information [Line Items] | ||
Revenue | $ 354,868 | $ 320,414 |
Operating segments | RMS | ||
Segment Reporting Information [Line Items] | ||
Revenue | 124,010 | 120,011 |
Operating segments | DSA | ||
Segment Reporting Information [Line Items] | ||
Revenue | 157,983 | 140,012 |
Operating segments | Manufacturing | ||
Segment Reporting Information [Line Items] | ||
Revenue | $ 72,875 | $ 60,391 |