Commitment and Contingencies (Tables)

12 Months Ended

Jan. 31, 2013

Commitment and Contingencies [Abstract]

Company's future principal contractual obligations

The following table summarizes the Company’s future principal contractual obligations as of January 31, 2013 (in thousands):

	Total		Payments Due by Fiscal Year Ended January 31,										Thereafter
			2014		2015		2016		2017		2018
Operating leases	$	15,298	$	3,384	$	2,834	$	2,314	$	2,199	$	2,005	$	2,562
Credit Facility:
2016 Tranche B Term Loans: due March 10, 2016		117,399		—		—		—		117,399		—		—
2016 Extended Term Loans: due March 10, 2016		191,101		—		—		—		191,101		—		—
Senior Subordinated Notes: due March 15, 2016		101,542		—		—		—		101,542		—		—
Interest payments on long-term debt		77,595		24,527		24,496		24,496		4,076		—		—
	$	502,935	$	27,911	$	27,330	$	26,810	$	416,317	$	2,005	$	2,562