SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016 USD ($)	Oct. 31, 2015 USD ($)	Oct. 29, 2016 USD ($)	Oct. 31, 2015 USD ($)	Jan. 30, 2016 USD ($)
Segment Reporting [Abstract]
Percentage of entity-wide sales qualifying purchaser as major customer (as a percent)			10.00%
Segment information
Business Exit Costs	$ 17	$ 14	$ 276	$ 87
Net sales:
Total net sales	473,777	455,913	1,264,544	1,227,233
Gross Profit:
Total gross profit	$ 194,517	$ 180,513	$ 483,739	$ 447,626
Gross Margin:
Total Gross Margin (as a percent)	41.10%	39.60%	38.30%	36.50%
Operating income (loss):
Total operating income (loss)	$ 62,080	$ 57,647	$ 98,750	$ 60,733
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	13.10%	12.60%	7.80%	4.90%
Depreciation and amortization:
Total depreciation and amortization	$ 16,586	$ 16,136	$ 48,938	$ 45,782
Capital expenditures:
Total capital expenditures	10,447	13,820	26,483	33,969
Total assets:
Total assets	983,282	977,358	983,282	977,358	$ 897,948
The Childrens Place US [Member]
Net sales:
Total net sales	412,380	400,184	1,106,676	1,079,541
Gross Profit:
Total gross profit	$ 165,394	$ 154,251	$ 415,621	$ 386,375
Gross Margin:
Total Gross Margin (as a percent)	40.10%	38.50%	37.60%	35.80%
Operating income (loss):
Total operating income (loss)	$ 48,997	$ 46,119	$ 74,535	$ 45,355
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	11.90%	11.50%	6.70%	4.20%
Depreciation and amortization:
Total depreciation and amortization	$ 14,073	$ 14,517	$ 43,605	$ 40,986
Capital expenditures:
Total capital expenditures	10,160	13,716	24,989	33,163
Total assets:
Total assets	$ 819,106	$ 828,582	$ 819,106	$ 828,582	748,975
Number of Stores	930	952	930	952
The Children's Place Canada [Member]
Net sales:
Total net sales	$ 61,397	$ 55,729	$ 157,868	$ 147,692
Gross Profit:
Total gross profit	$ 29,123	$ 26,262	$ 68,118	$ 61,251
Gross Margin:
Total Gross Margin (as a percent)	47.40%	47.10%	43.10%	41.50%
Operating income (loss):
Total operating income (loss)	$ 13,083	$ 11,528	$ 24,215	$ 15,378
Operating income (loss) as a percent of net sales:
Total operating income (loss) (as a percent)	21.30%	20.70%	15.30%	10.40%
Depreciation and amortization:
Total depreciation and amortization	$ 2,513	$ 1,619	$ 5,333	$ 4,796
Capital expenditures:
Total capital expenditures	287	104	1,494	806
Total assets:
Total assets	$ 164,176	$ 148,776	$ 164,176	$ 148,776	$ 148,973
Number of Stores	131	133	131	133