Long-Term Debt Line of Credit (Details) (USD $)	1 Months Ended	6 Months Ended
	Jan. 31, 2014	Jun. 30, 2014
Debt Instrument [Line Items]
Debt Amendment Date	Jan. 31, 2014
Future One-Time Cash Restructuring Charges Added Back to EBITDA		$ 20,000,000
Increase in Basis Points in the Margin Applicable to Determing the Interest Rate on New Debt	25
Payments of Debt Issuance Costs		351,000
Line of Credit [Member] | Senior Secured Revolving Credit Facility October 2015 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	250,000,000	100,000,000
Convertible Subordinated Debt [Member] | Convertible Senior Subordinated Debentures February 2027 [Member]
Debt Instrument [Line Items]
Write off of Deferred Debt Issuance Cost		$ 1,070,000
Minimum [Member] | Senior Secured Revolving Credit Facility October 2015 [Member]
Debt Instrument [Line Items]
Ratio of Earnings before Interest Taxes Depreciation and Amortization to Interest Expense		3.50
Minimum [Member] | Line of Credit [Member] | Senior Secured Revolving Credit Facility October 2015 [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Earnings Before Interest Taxes Depreciation and Amortization		1.00