INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate to Effective Rate Reported in Financial Statements (Detail 2)	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Income Tax Disclosure [Abstract]
Provision for Federal income taxes at the statutory rate	35.00%	35.00%	35.00%
State and local income taxes, net of Federal tax benefit	1.00%	2.40%	2.30%
Permanent differences resulting in Federal taxable income	9.60%	3.60%	2.90%
Foreign tax rate differential	(1.70%)	(1.40%)	0.10%
ASC 718 Adoption	(3.80%)
Foreign tax credit	(6.50%)	(3.10%)	(6.50%)
Other, net	(0.40%)	(0.30%)	1.50%
Actual provision for income taxes	33.20%	36.20%	35.30%