Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

The following tables provide the assets and liabilities carried at fair value measured on a recurring basis as of March 31, 2013 and June 30, 2012:

			Fair value measurements at March 31, 2013
	Total carrying value at March 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2013		(Level 1)		(Level 2)		(Level 3)
Money market funds	$	23,734	$	23,734	$	—	$	—
Trading securities		688		688		—		—
Foreign currency hedge	$	246		—		246		—
Total	$	24,668	$	24,422	$	246	$	—

				Fair value measurements at June 30, 2012
	Total carrying value at			Quoted prices in active markets		Significant other observable inputs			Significant unobservable inputs
	June 30, 2012			(Level 1)		(Level 2)			(Level 3)
Money market funds	$	19,931		$	19,931	$	—		$	—
Trading securities		729			729		—			—
Foreign currency hedge		(3	)		—		(3	)		—
Total	$	20,657		$	20,660	$	(3	)	$	—