CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Jan. 25, 2014	Jul. 27, 2013
LIABILITIES:
Debt premium	$ 3.4	$ 3.6
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.333	$ 0.333
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, issued (in shares)	33,790,139	33,264,117
Common stock, outstanding (in shares)	33,264,117	33,587,744