Income Taxes (Difference Between Income Taxes At Federal Statutory Rate And Provision For Income Taxes) (Detail)	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Income Taxes
Federal statutory rate	35.00%	35.00%	35.00%
State taxes, net of federal tax benefit	0.80%	0.40%	1.50%
Foreign income at other than U.S. rates	(16.40%)	(15.60%)	(19.40%)
Tax credits	(1.60%)	(0.40%)	(3.00%)
Effective income Tax Rate Reconciliation, Domestic Manufacturing Deduction, Percent	(1.00%)	(1.10%)	(0.30%)
Nondeductible compensation	1.30%	1.80%	2.50%
Tax audit settlement	(7.10%)
Other, net	0.10%	0.70%	0.80%
Effective income tax rate	11.10%	20.80%	17.10%