Debt (Details) - USD ($) $ in Thousands				1 Months Ended		3 Months Ended			9 Months Ended	12 Months Ended
	Jun. 03, 2013	Apr. 04, 2011	Jun. 30, 2009	Aug. 29, 2014	Jun. 30, 2009	Aug. 02, 2014	Aug. 03, 2013	May. 05, 2012	Aug. 03, 2013	Oct. 31, 2015	Nov. 01, 2014	Nov. 02, 2013	Nov. 03, 2012	Apr. 24, 2013	Aug. 04, 2012
Debt Instrument [Line Items]
Gain on Termination of Rate Lock Agreement	$ 11,000
Write Off of Remaining Debt Issuance and Discount Costs									$ 1,000
Maturity date of senior unsecured notes				Aug. 29, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Cash proceeds from swap termination								$ 19,800					$ 19,800
Accrued interest from swap termination								$ 1,300					1,300
Amortization into interest expense from swap termination												$ 4,600	$ 5,300
Gains (Losses) on Extinguishment of Debt										$ 0	$ 0	(10,205)
Swap, Receivable [Member]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Number of Installments					Two
Swap, Payable [Member]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Number of Installments					Four
5.0% Senior unsecured notes due July 1, 2014 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 375,000		$ 375,000
Interest rate to be paid on long term notes			5.00%		5.00%
Maturity date of senior unsecured notes			Jul. 01, 2014
3.0% Senior unsecured notes due April 15, 2016 [Member]
Debt Instrument [Line Items]
Semi-annual fixed interest payments		semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing
Senior Notes [Member] | 5.0% Senior unsecured notes due July 1, 2014 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 375,000		$ 375,000
Interest rate to be paid on long term notes			5.00%		5.00%
Maturity date of senior unsecured notes			Jul. 01, 2014
Semi-annual fixed interest payments			semi-annual fixed interest payments due on January 1 and July 1 of each year, commencing January 1, 2010
Net proceeds of notes offering			$ 370,400
Senior Notes [Member] | 3.0% Senior unsecured notes due April 15, 2016 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 375,000
Interest rate to be paid on long term notes		3.00%
Maturity date of senior unsecured notes		Apr. 15, 2016
Semi-annual fixed interest payments		semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing October 15, 2011
Net proceeds of notes offering		$ 370,500
Debt instrument, covenant compliance										compliant with these covenants
5.0% Senior unsecured notes due July 1, 2014 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage						104.744%
Write Off remaining unamortized proceeds from termination of interest rate swap							$ 8,600		8,600
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gains (Losses) on Extinguishment of Debt									10,200
Payments of Debt Extinguishment Costs									$ 17,800
Term Loan Facility [Member]
Debt Instrument [Line Items]
Term loan facility, description of variable rate basis										LIBOR
Term loan facility, interest rate over LIBOR rate										1.25%
Term loan facility, rate over LIBOR rate current rate															1.72%
2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Maturity date of senior unsecured notes	Jun. 01, 2023
Semi-annual fixed interest payments	semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
Net proceeds of notes offering	$ 493,900
Fair Value, Measurements, Nonrecurring [Member] | 2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt	$ 500,000
Interest rate to be paid on long term notes	2.875%
Fair Value, Measurements, Nonrecurring [Member] | 10 year US Treasury rate of 1.7845% [Member]
Debt Instrument [Line Items]
Interest rate to be paid on long term notes	0.00%													0.00%
Gain on Termination of Rate Lock Agreement												$ 11,000