SEGMENTS AND GEOGRAPHIC INFORMATION (EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
SEGMENTS AND GEOGRAPHIC INFORMATION
Net income	$ 70,765	$ 66,738
Interest expense	32,219	37,816
Provision for income taxes	41,895	39,233
Depreciation and amortization	29,470	27,945
Interest income	(280)	(123)
EBITDA	$ 174,069	$ 171,609