Stock-Based Compensation and Stock Plans (Details 2) $ / shares in Units, $ in Millions	12 Months Ended
	Jul. 02, 2016 USD ($) $ / shares shares	Jun. 27, 2015 $ / shares shares
Stock Option Plans
Stock-Based Compensation
Awards granted (in shares)	0	0
Total intrinsic value of awards exercised (in dollars) | $	$ 1.0
Restricted Stock Units
Stock-Based Compensation
Unrecognized stock-based compensation | $	$ 36.9
Period for recognition of unamortized expense of stock options	2 years
Prior JSDU 2015 Equity Incentive Plan | Stock Option Plans
Options Outstanding, Number Of Shares
Outstanding at the beginning of the period (in shares)	800,000	1,200,000
Exercised (in shares)		(400,000)
Canceled (in shares)		0
Outstanding at the end of the period (in shares)		800,000
Options Outstanding, Weighted-average exercise price per share
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 10.37	$ 9.97
Exercised (in dollars per share) | $ / shares		8.56
Outstanding at the end of the period (in dollars per share) | $ / shares		$ 10.37
Prior JSDU 2015 Equity Incentive Plan | MSU/PSU
Restricted Stock Units Outstanding, Number of Shares
Outstanding at the beginning of the period (in shares)	300,000	300,000
Awards granted (in shares)		200,000
Awards vested (in shares)		(100,000)
Awards canceled (in shares)		(100,000)
Outstanding at the end of the period (in shares)		300,000
Prior JSDU 2015 Equity Incentive Plan | Restricted Stock Units
Restricted Stock Units Outstanding, Number of Shares
Outstanding at the beginning of the period (in shares)	2,500,000	2,700,000
Awards granted (in shares)		1,600,000
Awards vested (in shares)		(1,400,000)
Awards canceled (in shares)		(400,000)
Outstanding at the end of the period (in shares)		2,500,000
Prior JSDU 2015 Equity Incentive Plan | Restricted Stock
Restricted Stock Units Outstanding, Weighted-Average Grant Date Fair Value
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 12.42	$ 13.17
Awards granted (in dollars per share) | $ / shares		11.77
Awards vested (in dollars per share) | $ / shares		12.99
Awards canceled (in dollars per share) | $ / shares		14.28
Outstanding at the end of the period (in dollars per share) | $ / shares		$ 12.42
2015 Equity Incentive Plan, as converted | Stock Option Plans
Options Outstanding, Number Of Shares
Outstanding at the beginning of the period (in shares)	500,000
Exercised (in shares)	(200,000)
Canceled (in shares)	0
Outstanding at the end of the period (in shares)	300,000	500,000
Vested and expected to vest (in shares)	300,000
Options Outstanding, Weighted-average exercise price per share
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 19.01
Exercised (in dollars per share) | $ / shares	15.21
Canceled (in dollars per share) | $ / shares
Outstanding at the end of the period (in dollars per share) | $ / shares	17.83	$ 19.01
Vested and expected to vest (in dollars per share) | $ / shares	$ 17.83
2015 Equity Incentive Plan, as converted | MSU/PSU
Restricted Stock Units Outstanding, Number of Shares
Outstanding at the beginning of the period (in shares)	200,000
Awards granted (in shares)	0
Awards vested (in shares)	(100,000)
Awards canceled (in shares)	0
Outstanding at the end of the period (in shares)	100,000	200,000
Vested and expected to vest (in shares)	100,000
2015 Equity Incentive Plan, as converted | Restricted Stock Units
Restricted Stock Units Outstanding, Number of Shares
Outstanding at the beginning of the period (in shares)	1,500,000
Awards granted (in shares)	1,900,000
Awards vested (in shares)	(700,000)
Awards canceled (in shares)	(200,000)
Outstanding at the end of the period (in shares)	2,500,000	1,500,000
Vested and expected to vest (in shares)	2,200,000
2015 Equity Incentive Plan, as converted | Restricted Stock
Restricted Stock Units Outstanding, Weighted-Average Grant Date Fair Value
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 22.70
Awards granted (in dollars per share) | $ / shares	20.39
Awards vested (in dollars per share) | $ / shares	22.60
Awards canceled (in dollars per share) | $ / shares	21.85
Outstanding at the end of the period (in dollars per share) | $ / shares	21.04	$ 22.70
Vested and expected to vest (in dollars per share) | $ / shares	$ 21.02