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Restructuring and Other Charges - Summary of Cumulative Amounts Incurred for 2015 Restructuring Costs (Details) $ in Thousands	Sep. 29, 2017 USD ($)
Restructuring Charges [Line Items]
Cumulative Amount Incurred to Date	$ 443,787
Lease Abandonments
Restructuring Charges [Line Items]
Cumulative Amount Incurred to Date	238,859
Involuntary Terminations
Restructuring Charges [Line Items]
Cumulative Amount Incurred to Date	171,628
Outside Services
Restructuring Charges [Line Items]
Cumulative Amount Incurred to Date	24,368
Other Restructuring Related Costs, Net
Restructuring Charges [Line Items]
Cumulative Amount Incurred to Date	$ 8,932

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- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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+ References

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