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Goodwill and Other Intangible Assets Gross Carrying Amount and Accumulated Amoritzation of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Goodwill [Line Items] |  |  |
Goodwill, gross | $ 1,443,829 | $ 1,326,077 | $ 1,235,701
Acquisitions |  |  |
Transfers |  |  |
Foreign Exchange |  |  |
Goodwill | $ 438,829 | $ 321,077 | 230,701
RMS |  |  |
Goodwill [Line Items] |  |  |
Goodwill, gross | 58,167 | 59,196 | 83,551
Acquisitions | 0 | 0 |
Transfers |  | (23,172) |
Foreign Exchange | (1,029) | (1,183) |
DSA |  |  |
Goodwill [Line Items] |  |  |
Goodwill, gross | 1,252,050 | 1,234,302 | 1,152,150
Acquisitions | 22,146 | 102,171 |
Transfers |  | (9,196) |
Foreign Exchange | (4,398) | (10,823) |
Accumulated impairment loss | (1,005,000) | (1,005,000) | (1,005,000)
Manufacturing |  |  |
Goodwill [Line Items] |  |  |
Goodwill, gross | 133,612 | 32,579 | $ 0
Acquisitions | 105,567 | 0 |
Transfers |  | 32,368 |
Foreign Exchange | $ (4,534) | $ 211 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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