Fair Value Measurement (Tables)

3 Months Ended

Apr. 30, 2012

Notes To Financial Statements [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, 2012:

	Fair Value			Level 1		Level 2		Level 3
Foreign currency exchange contracts	$	328		$	—	$	328	$	—
Contingent consideration	(5,153		)	—		—		(5,153		)
Total	$	(4,825	)	$	—	$	328	$	(5,153	)

The following table presents information about financial assets and liabilities measured at fair value on a recurring basis as of January 31, 2012:

	Fair Value			Level 1		Level 2		Level 3
Foreign currency exchange contracts	$	882		$	—	$	882	$	—
Contingent consideration	(6,120		)	—		—		(6,120		)
Total	$	(5,238	)	$	—	$	882	$	(6,120	)

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Table Text Block]

The fair value measurement of our contingent consideration as of April 30, 2012 encompasses the following significant unobservable inputs:

Unobservable Inputs	Range
Total estimated contingent consideration	$0		-	$7,686
Discount rate	14	%	-	16%
Timing of cash flows (in years)	1		-	6

Summary of Level 3 Activity

The following table summarizes contingent consideration activity:

Balance as of January 31, 2012	$	6,120
Payments	(478		)
Adjustments	(537		)
Interest accretion	48
Balance as of April 30, 2012	$	5,153

Summary Of Fair Value and Carrying Value of Notes Payable

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

As of	April 30, 2012		January 31, 2012
Fair value of notes payable	$	273,190	$	259,821
Carrying value of notes payable	$	215,876	$	214,573