Fair Value Measurement (Tables)

3 Months Ended

Apr. 30, 2015

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

The following table presents information about financial assets and liabilities measured at fair value on a recurring basis as of April 30, 2015:

	Fair Value			Level 1		Level 2		Level 3
Contingent consideration	$	(3,068	)	$	—	$	—	$	(3,068	)

The following table presents information about financial assets and 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	)

Significant unobservable inputs

The fair value measurement of our contingent consideration as of April 30, 2015 encompasses the following significant unobservable inputs:

Unobservable Inputs	Range
Total estimated contingent consideration	$871	-	$4,794
Discount rate	9.5%	-	16.0%
Timing of cash flows (in years)	1	-	3

Summary of level 3 activity

The following table summarizes contingent consideration activity:

Balance as of January 31, 2015	$	4,563
Payments	(1,525		)
Adjustments	(6		)
Interest accretion	36
Balance as of April 30, 2015	$	3,068

Schedule of notes payable

The following table summarizes the fair value and carrying value of notes payable:

As of	April 30, 2015		January 31, 2015
Fair value of notes payable	$	320,103	$	310,173
Carrying value of notes payable	$	235,604	$	230,400