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Comprehensive Income - Foreign Currency Translation Gain (Loss) Components (Details) $ in Thousands	12 Months Ended
	Dec. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 26, 2015 USD ($)	Dec. 27, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 191,886	$ (98,402)	$ (134,035)
Euro
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 113,259	$ (41,245)	$ (76,754)
FX rate into USD	1.2	1.05	1.1	1.22
British Pound
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 28,001	$ (53,723)	$ (15,404)
FX rate into USD	1.35	1.23	1.49	1.56
Australian Dollar
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 15,124	$ (562)	$ (19,864)
FX rate into USD	0.78	0.72	0.73	0.81
Canadian Dollar
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 9,403	$ 3,345	$ (10,071)
FX rate into USD	0.8	0.74	0.72	0.86
Polish Zloty
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 11,058	$ (3,849)	$ (3,281)
FX rate into USD	0.29	0.24	0.26	0.28
Swiss Franc
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 5,544	$ (2,365)	$ 928
FX rate into USD	1.03	0.98	1.01	1.01
Brazilian Real
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ (2,411)	$ 2,856	$ (5,942)
FX rate into USD	0.3	0.31	0.25	0.37
All other currencies
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gain (loss)	$ 11,908	$ (2,859)	$ (3,647)

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Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (b,c)
-URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580

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