INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate to Effective Rate Reported in Financial Statements (Details)			12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Income Tax Disclosure [Abstract]
Provision for Federal income taxes at the statutory rate	21.00%	35.00%	21.00%	33.80%	35.00%
State and local income taxes, net of Federal tax benefit			2.40%	0.50%	1.00%
Permanent differences resulting in Federal taxable income			6.60%	8.80%	9.60%
Tax reform				7.50%
Foreign tax rate differential			0.50%	0.20%	(1.70%)
Share-based payments			(0.60%)	(1.20%)	(3.80%)
Foreign tax credit			(5.50%)	(7.70%)	(6.50%)
Valuation allowance			0.20%	1.50%
Other, net			0.30%	0.20%	(0.40%)
Actual provision for income taxes			24.90%	43.60%	33.20%