CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	May 10, 2014		May 04, 2013		May 10, 2014		May 04, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 285,157		$ 265,583		$ 696,074		$ 645,281
Other comprehensive income:
Pension liability adjustments, net of taxes	957	[1]	2,038	[1]	2,864	[1]	5,510	[1]
Foreign currency translation adjustments	13,700		17,121		12,011		30,382
Unrealized (losses) gains on marketable securities, net of taxes	(13)	[2]	12	[2]	158	[2]	(44)	[2]
Net derivative activities, net of taxes	25	[3]	255	[3]	78	[3]	683	[3]
Total other comprehensive income	14,669		19,426		15,111		36,531
Comprehensive income	$ 299,826		$ 285,009		$ 711,185		$ 681,812

[1] Pension liability adjustments are presented net of taxes of $630 in fiscal 2014 and $1,296 in fiscal 2013 for the twelve weeks ended and $1,898 in fiscal 2014 and $4,489 in fiscal 2013 for the thirty-six weeks ended

[2] Unrealized (losses) gains on marketable securities are presented net of taxes of $7 in fiscal 2014 and $7 in fiscal 2013 for the twelve weeks ended and $85 in fiscal 2014 and $24 in fiscal 2013 for the thirty-six weeks ended

[3] Net derivative activities are presented net of taxes of $17 in fiscal 2014 and $150 in fiscal 2013 for the twelve weeks ended and $48 in fiscal 2014 and $408 in fiscal 2013 for the thirty-six weeks ended