Fair Value Measurement (Tables)

12 Months Ended

Jan. 31, 2012

Financial Assets and Liabilities Required to be Carried at Fair Value on a Recurring Basis

The following table presents information about financial assets and liabilities required to be carried 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	)

The following table presents information about financial assets and liabilities required to be carried at fair value on a recurring basis as of January 31, 2011:

	Fair Value			Level 1		Level 2		Level 3
Foreign currency exchange contracts	$	826		$	—	$	826	$	—
Contingent consideration		(5,342	)		—		—		(5,342	)
Total	$	(4,516	)	$	—	$	826	$	(5,342	)

Summary of Level 3 Activity

The following table summarizes Level 3 activity:

Balance as of January 31, 2010	$	1,822
Contingent consideration		4,260
Adjustment		(760	)
Interest accretion		20
Balance as of January 31, 2011	$	5,342
Contingent consideration		1,090
Payments/adjustments		(540	)
Interest accretion		228
Balance as of January 31, 2012	$	6,120

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 January 31,	2012		2011
Fair value of notes payable	$	259,821	$	221,291
Carrying value of notes payable	$	214,573	$	209,348