Debt (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Estimated Maturities on Long-Term Debt
2014	$ 15,000
2015	22,500
2016	22,500
2017	225,000
Thereafter
Term Loan \| 2012 Credit Agreement
Estimated Maturities on Long-Term Debt
2014	15,000
2015	22,500
2016	22,500
2017	75,000
Thereafter
Senior subordinated Convertible Notes 2010
Estimated Maturities on Long-Term Debt
2017	150,000
Thereafter

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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