XML 66 R36.htm IDEA: XBRL DOCUMENT v2.3.0.15
Required and Actual Financial Ratios Under Senior Secured Credit Facility (Detail) (Senior Secured Credit Facility)
Sep. 30, 2011
Point
Required Ratio | Maximum
 
Debt Disclosure [Line Items] 
Maximum consolidated leverage ratio3.50
Required Ratio | Minimum
 
Debt Disclosure [Line Items] 
Minimum consolidated interest coverage ratio3.00
Actual Ratio | Maximum
 
Debt Disclosure [Line Items] 
Maximum consolidated leverage ratio1.95
Actual Ratio | Minimum
 
Debt Disclosure [Line Items] 
Minimum consolidated interest coverage ratio7.94