Stock-Based Employee Compensation-Equity other than Options (Details) $ / shares in Units, $ in Millions		1 Months Ended		9 Months Ended	12 Months Ended
	Sep. 23, 2010	Jun. 28, 2015 Installment shares	Jun. 29, 2014 Installment shares	Dec. 28, 2014	Apr. 03, 2016 USD ($) Installment $ / shares shares
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of restricted stock units from grant date (in years)	3 years
Annual award vesting percentage	33.33%
Performance Stock Unit Activity
Beginning units outstanding (in shares)					3,457,000
Granted (in shares)					1,855,000
Released (in shares)					(1,150,000)
Forfeited (in shares)					(469,000)
Ending units outstanding (in shares)					3,693,000
Weighted-Average Grant Date Fair Value Per Share
Beginning units outstanding (in dollars per share) | $ / shares					$ 10.58
Granted (in dollars per share) | $ / shares					21.80
Released (in dollars per share) | $ / shares					9.94
Forfeited (in dollars per share) | $ / shares					13.17
Ending units outstanding (in dollars per share) | $ / shares					$ 16.09
Vested and expected to vest (shares)					3,100,000
Weighted average remaining contractual terms					1 year 2 months 16 days
Intrinsic value | $					$ 65.1
Compensation cost not yet recognized | $					$ 23.1
Period for recognition					1 year 4 months 6 days
Performance Shares
Performance Stock Unit Activity
Beginning units outstanding (in shares)					517,000
Granted (in shares)					84,000
Released (in shares)					(191,000)
Forfeited (in shares)					(206,000)
Ending units outstanding (in shares)					204,000
Weighted-Average Grant Date Fair Value Per Share
Beginning units outstanding (in dollars per share) | $ / shares					$ 8.06
Granted (in dollars per share) | $ / shares					11.45
Released (in dollars per share) | $ / shares					8.19
Forfeited (in dollars per share) | $ / shares					8.36
Ending units outstanding (in dollars per share) | $ / shares					$ 9.04
Vested and expected to vest (shares)					200,000
Weighted average remaining contractual terms					3 months 7 days
Intrinsic value | $					$ 3.4
Compensation cost not yet recognized | $					$ 0.3
Period for recognition					3 months 11 days
Non-GAAP operating margin weight					60.00%
Revenue growth weight					40.00%
Number of earned market-based stock unit vesting installments | Installment					2
Market-Based Restricted Stock Units
Performance Stock Unit Activity
Granted (in shares)		200,000	500,000
Ending units outstanding (in shares)					700,000
Weighted-Average Grant Date Fair Value Per Share
Compensation cost not yet recognized | $					$ 6.1
Period for recognition				11 months 26 days
Number of earned market-based stock unit vesting installments | Installment		2	2
Minimum | Performance Shares
Weighted-Average Grant Date Fair Value Per Share
Share based compensation, conversion to common stock ratio					0
Maximum | Performance Shares
Weighted-Average Grant Date Fair Value Per Share
Share based compensation, conversion to common stock ratio					1.5
Key Talent Incentive Plan | Performance Shares
Weighted-Average Grant Date Fair Value Per Share
Share based compensation, conversion to common stock ratio					1