Long-Term Debt (Details) (USD $)	3 Months Ended						3 Months Ended				3 Months Ended
	Mar. 31, 2014	Jan. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Jan. 31, 2014 Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Dec. 31, 2013 Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Mar. 31, 2014 Convertible Subordinated Debt [Member] Convertible Senior Subordinated Debentures February 2027 [Member]	Dec. 31, 2013 Convertible Subordinated Debt [Member] Convertible Senior Subordinated Debentures February 2027 [Member]	Mar. 31, 2014 Notes Payable, Other Payables [Member] Other Notes and Lease Obligations [Member]	Dec. 31, 2013 Notes Payable, Other Payables [Member] Other Notes and Lease Obligations [Member]	Mar. 31, 2014 Maximum [Member]	Dec. 31, 2014 Maximum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Sep. 30, 2014 Maximum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Jun. 30, 2014 Maximum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Mar. 31, 2014 Maximum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	May 28, 2013 Minimum [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Dec. 31, 2014 Minimum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Sep. 30, 2014 Minimum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Jun. 30, 2014 Minimum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]	Mar. 31, 2014 Minimum [Member] Line of Credit [Member] Senior Secured Revolving Credit Facility October 2015 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 100,000,000	$ 250,000,000
Reductions in Capital Expenditures											25,000,000
Increase in Basis Points in the Margin Applicable to Determing the Interest Rate on New Debt		25
Payments of Debt Issuance Costs	351,000
Ratio of Earnings before Interest Taxes Depreciation and Amortization to Interest Expense																3.50
Future One-Time Cash Restructuring Charges Added Back to EBITDA	20,000,000
Ratio of Indebtedness to Earnings Before Interest Taxes Depreciation and Amortization												3.50	4.00	4.50	4.75		1.00	1.00	1.00	1.00
Long-term Debt	48,957,000		45,286,000	31,794,000		28,109,000	10,811,000	10,641,000	6,352,000	6,536,000
Long-term Debt, Current Maturities	(1,763,000)		(14,102,000)
Long-term Debt, Excluding Current Maturities	47,194,000		31,184,000
Write off of Deferred Debt Issuance Cost							$ 1,070,000