Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Schedule Of Long-Term Debt

	2013		2012
	(In thousands)
8.25% Senior subordinated notes due September 2018	$	200,000	$	200,000
1.00% Convertible senior notes due December 2020		216,635		—
Revolving credit facility, including swing-line credit facility (weighted-average combined interest rate of 2.5% and 2.2% as of December 31, 2013 and 2012, respectively)		72,547		152,000
Equipment financing notes		1,332		2,819
Total		490,514		354,819
Less: current portion		1,289		1,467
Total long-term debt, excluding current portion	$	489,225	$	353,352

Schedule Of Maturities Of Long-Term Debt

2014	$	1,292
2015		40
2016		72,547
2017		—
2018		200,000
Thereafter		287,500
Total	$	561,379

Convertible senior notes due December 2020 [Member]

Schedule of Interest Expense Related to Convertible Notes

	2013		2012		2011
	(In thousands)
Cash interest per contractual coupon rate	$	288	$	—	$	—
Amortization of note discount		848		—		—
Amortization of deferred financing costs		48		—		—
Total interest expense related to Convertible Notes	$	1,184	$	—	$	—

Schedule of Convertible Debt

	2013		2012
	(In thousands)
Principal balance	$	287,500	$	—
Discount, net of accumulated amortization		(70,865)		—
Net carrying amount of Convertible Notes	$	216,635	$	—