Long-Term Debt and Capital Lease Obligations (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Summary of Convertible Notes

Based on the closing market price of our common stock on June 30, 2015, the if-converted value of the Convertible Notes was less than the aggregate principal amount of the Convertible Notes and has the following balance (in thousands):

	June 30,
		2015
2.50% Convertible Notes, bearing interest at 2.50%   payable semi-annually with final principal payment   to be made April 1, 2022	$	115,000
Unamortized debt discount		(32,470	)
Debt issuance costs		(2,607	)
Net Convertible Notes	$	79,923