Summary of Significant Accounting Policies - Fair Value Textual (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended			1 Months Ended	0 Months Ended			0 Months Ended				36 Months Ended
	Aug. 29, 2014	Nov. 01, 2014	Nov. 02, 2013	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]	Nov. 01, 2014 3.0% Senior unsecured notes due April 15, 2016 [Member] Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Nov. 02, 2013 3.0% Senior unsecured notes due April 15, 2016 [Member] Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 03, 2013 2.875% Senior unsecured notes due June 1, 2023 [Member]	Nov. 01, 2014 2.875% Senior unsecured notes due June 1, 2023 [Member] Nonrecurring [Member]	Nov. 02, 2013 2.875% Senior unsecured notes due June 1, 2023 [Member] Nonrecurring [Member]	Jun. 03, 2013 2.875% Senior unsecured notes due June 1, 2023 [Member] Nonrecurring [Member]	Dec. 22, 2013 Term Loan Facility [Member]	Dec. 22, 2010 Term Loan Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and held to maturity investments		$ 121.3	$ 45.6
Aggregate principal amount of debt				375.0	375.0						500.0		145.0
Interest rate to be paid on long term notes				5.00%	3.00%						2.875%
Maturity date of senior unsecured notes	Aug. 29, 2014			Jul. 01, 2014	Apr. 15, 2016			Jun. 01, 2023				Dec. 22, 2013
Debt instrument, frequency of periodic payment					semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing			semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
Long-term debt, fair value						$ 386.3	$ 392.8		$ 483.5	$ 466.0