Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Fair Value Measurements [Abstract]
Long-lived assets, gross carrying amount	$ 4.0	$ 4.3
Long-lived assets, impairment charges	1.0	1.0
Remaining unamortized basis	$ 1.0	$ 1.2