Debt (Tables)

6 Months Ended

Dec. 31, 2012

Debt

Schedule of carrying value of the 3.75% Convertible Notes

The following table presents the carrying value of the 3.75% Convertible Notes as of December 31, 2012 (in thousands):

Carrying amount of the equity conversion component	$	23,189
Principal amount of the 3.75% Convertible Notes	$	100,000
Unamortized debt discount (1)	(18,435		)
Net carrying amount	$	81,565

(1)As of December 31, 2012, the remaining period over which the unamortized debt discount will be amortized is 43 months.

Summary of interest expense and effective interest rate on the liability component related to the 3.75% Convertible Notes

A summary of interest expense and effective interest rate on the liability component related to the 3.75% Convertible Notes for the three and six months ended December 31, 2012 and 2011 was as follows (in thousands):

	Three months ended December 31,						Six months ended December 31,
	2012			2011			2012			2011
Effective interest rate	10.0		%	10.0		%	10.0		%	10.0		%
Interest expense related to contractual interest coupon	$	937		$	938		$	1,875		$	1,563
Interest expense related to amortization of debt discount	1,058			959			2,099			1,597
Total interest expense recognized	$	1,995		$	1,897		$	3,974		$	3,160