SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended
	Apr. 29, 2017 USD ($)	Apr. 30, 2016 USD ($)	Jan. 28, 2017 USD ($)
Segment Reporting [Abstract]
Percentage of entity-wide sales qualifying purchaser as major customer (as a percent)	10.00%
Segment information
Business Exit Costs	$ 4	$ 68
Net sales:
Total net sales	436,676	419,351
Gross Profit:
Total gross profit	170,591	165,351
Operating income (loss):
Total operating income (loss)	$ 42,284	$ 39,610
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	9.70%	9.40%
Depreciation and amortization:
Total depreciation and amortization	$ 15,692	$ 16,461
Capital expenditures:
Total capital expenditures	13,292	7,084
Total assets:
Total assets	872,256	869,216	$ 910,499
The Childrens Place US [Member]
Net sales:
Total net sales	394,763	375,107
Operating income (loss):
Total operating income (loss)	$ 38,740	$ 34,154
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	9.80%	9.10%
Depreciation and amortization:
Total depreciation and amortization	$ 13,963	$ 14,643
Capital expenditures:
Total capital expenditures	13,100	6,804
Total assets:
Total assets	$ 711,257	$ 710,666	735,953
Number of Stores	904	934
The Children's Place Canada [Member]
Net sales:
Total net sales	$ 41,913	$ 44,244
Operating income (loss):
Total operating income (loss)	$ 3,544	$ 5,456
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	8.50%	12.30%
Depreciation and amortization:
Total depreciation and amortization	$ 1,729	$ 1,818
Capital expenditures:
Total capital expenditures	192	280
Total assets:
Total assets	$ 160,999	$ 158,550	$ 174,546
Number of Stores	129	130