Fair Value Measurement (Tables)

12 Months Ended

Jan. 31, 2016

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis

Financial liabilities measured at fair value on a recurring basis

The following table presents information about financial liabilities measured at fair value on a recurring basis as of January 31, 2016:

	Fair Value		Level 1		Level 2		Level 3
Contingent consideration	$	3,749	$	—	$	—	$	3,749

The following table presents information about financial liabilities measured at fair value on a recurring basis as of January 31, 2015:

	Fair Value		Level 1		Level 2		Level 3
Contingent consideration	$	4,563	$	—	$	—	$	4,563

Schedule of contingent consideration

The following table summarizes the total recorded contingent consideration:

As of January 31,	2016		2015
Contingent consideration, short-term	$	1,460	$	1,515
Contingent consideration, long-term	2,289		3,048
Total contingent consideration	$	3,749	$	4,563

Significant unobservable inputs

The fair value measurement of our contingent consideration as of January 31, 2016 encompasses the following significant unobservable inputs:

Unobservable Inputs	Range
Total estimated contingent consideration	$1,464	-	$4,422
Discount rate	9.5%	-	16.0%
Timing of cash flows (in years)	0	-	3

Summary of level 3 activity

The following table summarizes contingent consideration activity:

Balance as of January 31, 2014	$	4,571
New contingent consideration	1,450
Payments	(1,589		)
Changes in fair value	(11		)
Interest accretion	142
Balance as of January 31, 2015	$	4,563
New contingent consideration	—
Payments	(1,525		)
Changes in fair value	586
Interest accretion	125
Balance as of January 31, 2016	$	3,749

Schedule of notes payable

The following table summarizes the fair value and carrying value of our 4.00% Debentures:

As of January 31,	2016		2015
Fair value of 4.00% Debentures	$	255,487	$	310,173
Carrying value of 4.00% Debentures	$	234,888	$	227,386