Defined Benefit Pension Plans and Other Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Pension Benefits [Member]
Components of Net Periodic Benefit Cost
Service cost	$ 113	$ 88	$ 225	$ 176
Interest cost	1,163	1,145	2,338	2,293
Expected return on plan assets	(1,517)	(1,663)	(3,035)	(3,328)
Amortization:
Losses	860	1,512	1,826	3,136
Net amortization	860	1,512	1,826	3,136
Net Periodic Benefit Cost	619	1,082	1,354	2,277
Other Benefits [Member]
Components of Net Periodic Benefit Cost
Service cost	130	113	266	226
Interest cost	55	43	116	86
Expected return on plan assets	0	0	0	0
Amortization:
Losses	24	26	53	52
Net amortization	24	26	53	52
Net Periodic Benefit Cost	$ 209	$ 182	$ 435	$ 364