Stock-Based Awards - Stock Options (Details) - Stock Options	9 Months Ended
	Apr. 23, 2016 $ / shares shares
Stock Options, Outstanding [Roll Forward]
Beginning balance (in shares) | shares	915,323
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares	35,863
Options exercised (in shares) | shares	(144,756)
Canceled (in shares) | shares	(800)
Ending balance (in shares) | shares	805,630
Exercisable options (in shares) | shares	621,858
Stock Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Beginning balance (in dollars per shares) | $ / shares	$ 16.86
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	78.20
Options exercised (in dollars per shares) | $ / shares	12.55
Canceled (in dollars per shares) | $ / shares	13.88
Ending balance (in dollars per shares) | $ / shares	20.37
Exercisable options (in dollars per shares) | $ / shares	$ 15.42