Earnings Per Share (Details) - USD ($) $ in Millions		1 Months Ended		3 Months Ended		12 Months Ended
	Feb. 19, 2016	Nov. 30, 2015	Feb. 28, 2015	Apr. 03, 2016	Mar. 29, 2015	Jan. 03, 2016	Jan. 26, 2016	Feb. 02, 2015
Equity, Class of Treasury Stock [Line Items]
Treasury stock acquired (in shares)						2,561,815
Payments for repurchase of common stock				$ 0.0	$ 142.0	$ 243.8
Stock options excluded in computation of diluted earnings per share (in shares)				510,476	0
February 2015 Accelerated Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 142.0					$ 142.0
Stock repurchase program, authorized amount to be repurchased (up to) (in shares)								1,500,000
Treasury stock acquired (in shares)			1,425,000
Payments for repurchase of common stock		$ 1.2	$ 134.9
November 2015 Accelerated Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount		$ 100.5
Stock repurchase program, authorized amount to be repurchased (up to) (in shares)		1,100,000
Treasury stock acquired (in shares)	135,374	1,045,000
Accelerated Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount to be repurchased (up to) (in shares)							3,000,000