INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate to Effective Rate Reported in Financial Statements (Detail 2)	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
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	2.40%	2.30%	3.00%
Permanent differences resulting in Federal taxable income	3.60%	2.90%	4.50%
Foreign tax rate differential	(1.40%)	0.10%	(0.10%)
Foreign tax credit	(3.10%)	(6.50%)	(5.40%)
Other, net	(0.30%)	1.50%	0.50%
Actual provision for income taxes	36.20%	35.30%	37.50%