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Restructuring and Other Charges - Summary of Restructuring by Major Type of Restructuring Costs (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended
	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017
Restructuring Charges [Line Items]
Restructuring costs	$ 35,368	$ 52,266	$ 103,751	$ 84,007
Lease Abandonments
Restructuring Charges [Line Items]
Restructuring costs	19,872	27,992	64,271	44,601
Involuntary Terminations
Restructuring Charges [Line Items]
Restructuring costs	15,410	18,554	38,289	29,886
Outside Services
Restructuring Charges [Line Items]
Restructuring costs	$ 86	2,261	$ 1,191	3,552
Other Restructuring Related
Restructuring Charges [Line Items]
Restructuring costs		$ 3,459		$ 5,968

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+ References

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- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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