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Segment Information (Reconciliation of Operating Profit (Loss) from Segments to Consolidated) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Apr. 01, 2016
Segment Reporting Information [Line Items] |  |
Operating income | $ 26,545 | $ 11,134
Unallocated expenses, net | (30,740) | (23,896)
Loss before provision (benefit) for income taxes | (4,195) | (12,762)
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating income | 51,922 | 30,830
Operating Segments [Member] | Medical Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating income | 50,360 | 31,841
Operating Segments [Member] | Non-Medical Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating income | 1,562 | (1,011)
Segment Reconciling Items [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating income | $ (25,377) | $ (19,696)

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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