Stock-Based Compensation (Details 1) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		5 Months Ended	6 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Sep. 27, 2014	Jan. 02, 2016	Jan. 02, 2016	Dec. 27, 2014	Aug. 01, 2015
Stock-Based Compensation
Stock-based compensation capitalized to inventory (in dollars)					$ 0.9
Total incremental stock-based compensation related to plan modification							$ 13.6
Accelerated stock compensation expense from plan modification				$ 8.3
Full Value Awards - Total
Stock-Based Compensation
Exercise price (in dollars per share)	$ 0			$ 0	$ 0
Unrecognized stock-based compensation	$ 52.3			$ 52.3	$ 52.3
Estimated amortization period					2 years 2 months 18 days
Withholding taxes liability paid					$ 7.8	$ 11.9
Remaining incremental expense to be recognized from plan modification	$ 5.3
Full Value Awards - Total | Minimum
Stock-Based Compensation
Vesting period					1 year
Full Value Awards - Total | Maximum
Stock-Based Compensation
Vesting period					4 years
RSUs
Stock-Based Compensation
Granted (in shares)					5.3	5.2
Restricted Stock Units with Market Conditions (MSU)
Stock-Based Compensation
Vesting period					3 years
Granted (in shares)					0.5	0.7
Aggregate grant-date fair value (in dollars)		$ 2.9	$ 8.5
Restricted Stock Units with Time Based Conditions
Stock-Based Compensation
Vesting period					3 years
Granted (in shares)					4.8	4.5
Percentage of first tranche vested					33.00%
Initial vesting period					1 year
Subsequent vesting period					2 years