Retirement And Other Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2,587	$ 2,891
Interest cost	3,556	3,331
Expected return on assets	(6,184)	(6,179)
Amortization of: Actuarial loss (gain)	35	248
Amortization of: Prior service expense	8	2
Total net periodic benefit cost (income)	2	293
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	13	35
Amortization of: Actuarial loss (gain)	(85)	(20)
Total net periodic benefit cost (income)	$ (72)	$ 15