Commitment and Contingencies (Tables)

12 Months Ended

Jan. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense

Rent expense under operating leases was as follows:

Fiscal year ended January 31,	2017		2016		2015
Rent expense	$	27,727	$	27,040	$	28,114

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments under non-cancelable operating leases are approximately as follows:

Fiscal years ending January 31,	Lease Payments
2018	$	22,153
2019	20,937
2020	17,307
2021	14,554
2022	9,932
Thereafter	13,853
Total	$	98,736