XML 108 R66.htm IDEA: XBRL DOCUMENT v2.4.0.8
Debt - Debt (Parenthetical) (Detail)
12 Months Ended
Dec. 31, 2012
Secured Promissory Notes [Member]
Dec. 31, 2011
Secured Promissory Notes [Member]
Dec. 31, 2012
Other Indebtedness [Member]
Dec. 31, 2012
Senior Secured Credit Facility [Member]
Term Loan Facility [Member]
Dec. 31, 2011
Senior Secured Credit Facility [Member]
Term Loan Facility [Member]
Dec. 31, 2012
Senior Secured Credit Facility [Member]
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]            
Average interest rate 2.80% 4.34%   4.21% 6.50% 4.75%
Variable and fixed interest rates ranging, minimum     0.24%      
Variable and fixed interest rates ranging, maximum     8.00%