SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended
	May 05, 2018 USD ($)	Apr. 29, 2017 USD ($)	Feb. 03, 2018 USD ($)
Segment Reporting [Abstract]
Percentage of entity-wide sales qualifying purchaser as major customer (as a percent)	10.00%
Net sales:
Total net sales	$ 436,314	$ 436,676
Gross Profit:
Total gross profit	160,192	170,591
Operating income (loss):
Total operating income (loss)	$ 23,058	$ 42,284
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	5.30%	9.70%
Depreciation and amortization:
Total depreciation and amortization	$ 17,406	$ 15,692
Capital expenditures:
Total capital expenditures	11,065	13,292
Total assets:
Total assets	810,927	872,256	$ 940,228
The Childrens Place US [Member]
Net sales:
Total net sales	395,779	394,763
Operating income (loss):
Total operating income (loss)	$ 21,356	$ 38,740
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	5.40%	9.80%
Depreciation and amortization:
Total depreciation and amortization	$ 15,541	$ 13,963
Capital expenditures:
Total capital expenditures	10,846	13,100
Total assets:
Total assets	$ 732,815	$ 711,257	750,670
Number of Stores	876	904
The Children's Place Canada [Member]
Net sales:
Total net sales	$ 40,535	$ 41,913
Operating income (loss):
Total operating income (loss)	$ 1,702	$ 3,544
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	4.20%	8.50%
Depreciation and amortization:
Total depreciation and amortization	$ 1,865	$ 1,729
Capital expenditures:
Total capital expenditures	219	192
Total assets:
Total assets	$ 78,112	$ 160,999	$ 189,558
Number of Stores	126	129