Share-Based Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Share-based compensation
Share-based compensation expense	$ 4.2	$ 4.3	$ 12.6	$ 12.3
Non-Vested Deferred Stock Units and Restricted Stock Shares
Unrecognized compensation cost
Unrecognized compensation cost	$ 22.3		$ 22.3
Compensation recognition period			1 year 8 months 12 days
DSUs
Additional information
Shares relinquished for tax withholding			86,035
Vesting period			3 years
Time-Based DSUs
Shares
Non-Vested at the beginning of the period (in shares)			378,518
Granted (in shares)			360,967
Vested (in shares)			(231,764)
Forfeited (in shares)			(19,552)
Non-Vested at the end of the period (in shares)	488,169		488,169
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)			$ 42.67
Granted (in dollars per share)			52.60
Vested (in dollars per share)			43.69
Forfeited (in dollars per share)			40.17
Non-Vested at the end of the period (in dollars per share)	$ 49.63		$ 49.63
Time-Based DSUs | Awards granted prior to April 3, 2013
Shares
Non-Vested at the end of the period (in shares)	17,576		17,576
Performance-Based DSUs, including performance units
Shares
Non-Vested at the beginning of the period (in shares)			170,789
Granted (in shares)			36,844
Vested (in shares)			(18,977)
Forfeited (in shares)			(20,000)
Non-Vested at the end of the period (in shares)	168,656		168,656
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)			$ 43.94
Granted (in dollars per share)			57.32
Vested (in dollars per share)			46.41
Forfeited (in dollars per share)			33.09
Non-Vested at the end of the period (in dollars per share)	$ 47.87		$ 47.87
Performance-based DSUs
Shares
Granted (in shares)			22,645
Additional information
Number of shares of common stock received for each performance share			1
Performance-based DSUs | Granted in April 2014
Additional information
Number of shares of common stock received for each performance share			1
Vesting period			1 year
Performance units
Shares
Granted (in shares)			14,199
Performance units | Maximum
Additional information
Number of shares of common stock received for each performance share			2.25
Restricted Stock
Shares
Non-Vested at the beginning of the period (in shares)			67,790
Granted (in shares)			12,425
Vested (in shares)			(44,398)
Forfeited (in shares)			(19,360)
Non-Vested at the end of the period (in shares)	16,457		16,457
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share)			$ 37.05
Granted (in dollars per share)			50.31
Vested (in dollars per share)			40.25
Forfeited (in dollars per share)			27.77
Non-Vested at the end of the period (in dollars per share)	$ 49.37		$ 49.37