Debt (Details) (USD $)	3 Months Ended	12 Months Ended		1 Months Ended			0 Months Ended	1 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	3 Months Ended			12 Months Ended
	May 05, 2012	Nov. 03, 2012	Oct. 29, 2011	Jun. 30, 2009 Swap, Receivable [Member]	Jun. 30, 2009 Swap, Payable [Member]	Jun. 30, 2009 5.0% Senior unsecured notes due July 1, 2014 [Member]	Apr. 04, 2011 3.0% Senior unsecured notes due April 15, 2016 [Member]	Jun. 30, 2009 Senior Notes [Member] 5.0% Senior unsecured notes due July 1, 2014 [Member]	Nov. 03, 2012 Senior Notes [Member] 5.0% Senior unsecured notes due July 1, 2014 [Member]	Apr. 04, 2011 Senior Notes [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]	Nov. 03, 2012 Senior Notes [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]	Dec. 22, 2010 Term Loan Facility [Member]	Nov. 03, 2012 Term Loan Facility [Member]	Feb. 04, 2012 Term Loan Facility [Member]	Jul. 30, 2011 Term Loan Facility [Member]	Nov. 03, 2012 Term Loan Facility [Member]	Aug. 04, 2012 Term Loan Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 375,000,000				$ 375,000,000	$ 375,000,000	$ 375,000,000		$ 375,000,000		$ 145,000,000
Interest rate to be paid on long term notes		5.00%				5.00%	3.00%	5.00%		3.00%
Maturity date of senior unsecured notes						Jul. 01, 2014	Apr. 15, 2016	Jul. 01, 2014		Apr. 15, 2016		Dec. 22, 2013
Semi-annual fixed interest payments						semi-annual fixed interest payments due on January 1 and July 1 of each year, commencing	semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing	semi-annual fixed interest payments due on January 1 and July 1 of each year, commencing January 1, 2010		semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing October 15, 2011
Net proceeds of notes offering								370,400,000		370,500,000
Debt instrument, covenant compliance									compliant with these covenants		compliant with these covenants
Term loan facility, principle amortization schedule												3 years
Term loan facility, quarterly interest payment												3,600,000
Term loan facility, repayment terms												payable quarterly every March, June, September and December
Term loan facility, additional principal payment													30,000,000	12,000,000	17,500,000
Term loan facility, interest rate terms																The loan will bear interest at a fluctuating rate for each period equal to the LIBOR rate corresponding with the tenor of the interest period plus a spread of 1.25% (1.46% as of November 3, 2012)
Term loan facility, description of variable rate basis																LIBOR
Term loan facility, interest rate over LIBOR rate													1.25%			1.25%
Term loan facility, rate over LIBOR rate current rate																	1.72%
Term loan facility, covenant compliance																compliant with these covenants
Short-term debt		14,500,000	14,500,000										14,500,000			14,500,000
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional amount of fixed rate debt				375,000,000	375,000,000
Interest rate to be paid on swap				5.00%
Derivative instrument, interest rate LIBOR period					3 months
Derivative instrument, description of variable rate basis					LIBOR
Derivative interest rate over LIBOR					2.05%
Derivative frequency of payments				two installments on the 1st business day of every January and July	four installments on the 1st business day of every January, April, July and October
Cash proceeds from swap termination	19,800,000	19,800,000
Accrued interest from swap termination	1,300,000	1,300,000
Number of Installments				Two	Four
Amortization into interest expense from swap termination		$ 5,300,000