Defined Benefit Pension Plans and Other Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 02, 2015	May 03, 2014
Pension Benefits
Components of Net Periodic Benefit Cost
Service cost	$ 113	$ 112
Interest cost	1,078	1,175
Expected return on plan assets	(1,449)	(1,518)
Amortization:
Losses	1,357	966
Net amortization	1,357	966
Net Periodic Benefit Cost	1,099	735
Other Benefits
Components of Net Periodic Benefit Cost
Service cost	210	136
Interest cost	61	61
Expected return on plan assets	0	0
Amortization:
Losses	48	29
Net amortization	48	29
Net Periodic Benefit Cost	$ 319	$ 226