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Goodwill and Other Intangibles, Net - Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2017 | Dec. 31, 2016
Goodwill [Roll Forward] |  |
Beginning balance | $ 2,019,740 | $ 1,907,593
Adjustments to goodwill: Acquisitions | 224,880 | 145,805
Adjustments to goodwill: Foreign currency translation | 56,711 | (33,658)
Ending balance | 2,301,331 | 2,019,740
Health Care Distribution [Member] |  |
Goodwill [Roll Forward] |  |
Beginning balance | 1,831,535 | 1,742,022
Adjustments to goodwill: Acquisitions | 216,144 | 116,640
Adjustments to goodwill: Foreign currency translation | 48,915 | (27,127)
Ending balance | 2,096,594 | 1,831,535
Technology and Value-Added Services [Member] |  |
Goodwill [Roll Forward] |  |
Beginning balance | 188,205 | 165,571
Adjustments to goodwill: Acquisitions | 8,736 | 29,165
Adjustments to goodwill: Foreign currency translation | 7,796 | (6,531)
Ending balance | $ 204,737 | $ 188,205

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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 -Subparagraph (a) -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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + 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 (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits 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 (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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