Employee Benefit Plans (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 28, 2012	Jul. 28, 2012
Defined Benefit Plans [Abstract]
Pension plan, grandfathered participants, minimum age for eligibility		55 years
Pension plan, grandfathered participants, minimum service tenure		10 years
Pension plan, grandfathered participants, credited service cut-off date		2006-12-31
Pension plan, effective date of amendment, first		2007-01-01
Pension plan, effective date of amendment, second		2009-03-13
Pension plan, employer contributions	$ 928	$ 1,856
Pension plan, estimated future employer contributions for remainder of current year	$ 2,522	$ 2,522