Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narratives) (Details)

v2.4.0.8
Long-Term Debt (Narratives) (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Debt Instrument [Line Items]    
Debt Instrument Maturity Apr. 30, 2018  
Senior Credit Facility Covenant Description Borrowings under the Senior Credit Facility are subject to certain financial covenants and restrictions on indebtedness. Our Senior Credit Facility Total Leverage Ratio (as defined) may not exceed 6.5 to one through June 30, 2014 and shall not exceed 5.95 to one any time thereafter; the Senior Leverage Ratio (as defined) may not exceed 3.00 to one; and our Interest Coverage Ratio (as defined) must not be less than 2.50 to one at any time.  
Write Off Of Deferred Debt Issuance Cost $ 100,000  
Deferred Loan Fees, Net 700,000  
Debt Related Commitment 400,000  
Payment of debt issuance costs 2,990,000 0
Senior Credit Facility Term Loan Amount 100,000,000  
Senior Credit Facility Revolver Amount 10,000,000  
Letters Of Credit Outstanding 500,000  
Line Of Credit Facility Remaining Borrowing Capacity 279,500,000  
Senior Credit Facility Term Loan [Member]
   
Debt Instrument [Line Items]    
Senior Credit Facility Capacity 240,000,000  
Senior Credit Facility Revolver [Member]
   
Debt Instrument [Line Items]    
Senior Credit Facility Capacity $ 150,000,000