EMPLOYEE BENEFIT PLANS (Details 5) (Pension Benefits, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Employee benefit plans
Fair value of plan assets	151,824	147,994	$ 137,577
Pooled funds
Employee benefit plans
Advance notification period for redemption of investments	10 days	10 days
Multi-strategy hedge funds | Minimum
Employee benefit plans
Advance notification period for redemption of investments	60 days	60 days
Multi-strategy hedge funds | Maximum
Employee benefit plans
Advance notification period for redemption of investments	91 days	91 days
Quoted Prices in Active Markets (Level 1)
Employee benefit plans
Fair value of plan assets	32,476	36,623
Quoted Prices in Active Markets (Level 1) | Cash and cash equivalents
Employee benefit plans
Fair value of plan assets	11	66
Quoted Prices in Active Markets (Level 1) | Equity securities | U.S. large-cap
Employee benefit plans
Fair value of plan assets	9,472	8,097
Quoted Prices in Active Markets (Level 1) | Equity securities | U.S. small-cap
Employee benefit plans
Fair value of plan assets	3,365	4,082
Quoted Prices in Active Markets (Level 1) | Equity securities | Real estate investment trust companies
Employee benefit plans
Fair value of plan assets	446	537
Quoted Prices in Active Markets (Level 1) | Mutual funds | Fixed income
Employee benefit plans
Fair value of plan assets	5,059	23,841
Quoted Prices in Active Markets (Level 1) | Mutual funds | International emerging economies fixed income
Employee benefit plans
Fair value of plan assets	5,394
Quoted Prices in Active Markets (Level 1) | Mutual funds | Floating rate debt securities
Employee benefit plans
Fair value of plan assets	3,888
Quoted Prices in Active Markets (Level 1) | Mutual funds | Real estate investment trust companies
Employee benefit plans
Fair value of plan assets	4,841
Significant Other Observable Inputs (Level 2)
Employee benefit plans
Fair value of plan assets	119,348	111,371
Significant Other Observable Inputs (Level 2) | Cash and cash equivalents
Employee benefit plans
Fair value of plan assets	3,358	2,193
Significant Other Observable Inputs (Level 2) | Pooled funds | U.S. large-cap
Employee benefit plans
Fair value of plan assets	19,933	39,444
Significant Other Observable Inputs (Level 2) | Pooled funds | U.S. small-cap
Employee benefit plans
Fair value of plan assets	1,323	2,593
Significant Other Observable Inputs (Level 2) | Pooled funds | International small-cap equity
Employee benefit plans
Fair value of plan assets	4,321
Significant Other Observable Inputs (Level 2) | Pooled funds | International developed economies equity
Employee benefit plans
Fair value of plan assets	19,002	24,933
Significant Other Observable Inputs (Level 2) | Pooled funds | International emerging economies equity
Employee benefit plans
Fair value of plan assets	8,785	3,907
Significant Other Observable Inputs (Level 2) | Pooled funds | Fixed income
Employee benefit plans
Fair value of plan assets	47,576	24,219
Significant Other Observable Inputs (Level 2) | Multi-strategy hedge funds
Employee benefit plans
Fair value of plan assets	15,050	14,082
Significant Unobservable Inputs (Level 3)
Employee benefit plans
Fair value of plan assets			738
Total Estimated Fair Value
Employee benefit plans
Fair value of plan assets	151,824	147,994
Total Estimated Fair Value | Cash and cash equivalents
Employee benefit plans
Fair value of plan assets	3,369	2,259
Total Estimated Fair Value | Equity securities | U.S. large-cap
Employee benefit plans
Fair value of plan assets	9,472	8,097
Total Estimated Fair Value | Equity securities | U.S. small-cap
Employee benefit plans
Fair value of plan assets	3,365	4,082
Total Estimated Fair Value | Equity securities | Real estate investment trust companies
Employee benefit plans
Fair value of plan assets	446	537
Total Estimated Fair Value | Mutual funds | Fixed income
Employee benefit plans
Fair value of plan assets	5,059	23,841
Total Estimated Fair Value | Mutual funds | International emerging economies fixed income
Employee benefit plans
Fair value of plan assets	5,394
Total Estimated Fair Value | Mutual funds | Floating rate debt securities
Employee benefit plans
Fair value of plan assets	3,888
Total Estimated Fair Value | Mutual funds | Real estate investment trust companies
Employee benefit plans
Fair value of plan assets	4,841
Total Estimated Fair Value | Pooled funds | U.S. large-cap
Employee benefit plans
Fair value of plan assets	19,933	39,444
Total Estimated Fair Value | Pooled funds | U.S. small-cap
Employee benefit plans
Fair value of plan assets	1,323	2,593
Total Estimated Fair Value | Pooled funds | International small-cap equity
Employee benefit plans
Fair value of plan assets	4,321
Total Estimated Fair Value | Pooled funds | International developed economies equity
Employee benefit plans
Fair value of plan assets	19,002	24,933
Total Estimated Fair Value | Pooled funds | International emerging economies equity
Employee benefit plans
Fair value of plan assets	8,785	3,907
Total Estimated Fair Value | Pooled funds | Fixed income
Employee benefit plans
Fair value of plan assets	47,576	24,219
Total Estimated Fair Value | Multi-strategy hedge funds
Employee benefit plans
Fair value of plan assets	15,050	14,082