CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016
Customer accounts receivable, VIE Balance	$ 702,162	$ 743,931
Long-term portion of customer accounts receivable, net	615,904	631,645
Long-term debt and capital lease obligations	$ 1,144,393	$ 1,248,879
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	30,962,000	30,630,000
Non-Guarantor Subsidiaries [Member]
Customer accounts receivable, VIE Balance	$ 529,108	$ 390,150
Long-term portion of customer accounts receivable, net	320,382	331,254
Long-term debt and capital lease obligations	$ 745,581	$ 699,515