Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2014

Long-Term Debt [Abstract]

Schedule Of Long-Term Debt

	June 30, 2014		December 31, 2013
	(In thousands)
8.25% Senior subordinated notes due September 2018	$	179,442	$	200,000
1.00% Convertible senior notes due December 2020, net of discount		220,950		216,635
Revolving credit facility, including swing-line credit facility (weighted-average combined interest rate of 2.2% and 2.5% as of June 30, 2014 and December 31, 2013, respectively)		73,220		72,547
Equipment financing notes		616		1,332
Total		474,228		490,514
Less: current portion		615		1,289
Total long-term debt, excluding current portion	$	473,613	$	489,225

Schedule of Interest Expense Related to Convertible Notes

	Three Months Ended
	June 30,
	2014		2013
	(In thousands)
Cash interest per contractual coupon rate	$	719	$	—
Amortization of note discount		2,167		—
Amortization of deferred financing costs		129		—
Total interest expense related to Convertible Notes	$	3,015	$	—

	Six Months Ended
	June 30,
	2014		2013
	(In thousands)
Cash interest per contractual coupon rate	$	1,438	$	—
Amortization of note discount		4,315		—
Amortization of deferred financing costs		254		—
Total interest expense related to Convertible Notes	$	6,007	$	—

Schedule of Convertible Debt

	June 30, 2014		December 31, 2013
	(In thousands)
Principal balance	$	287,500	$	287,500
Discount, net of accumulated amortization		(66,550)		(70,865)
Net carrying amount of Convertible Notes	$	220,950	$	216,635