XML 176 R92.htm IDEA: XBRL DOCUMENT v2.4.0.8
Property, Plant and Equipment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Depreciation of property, plant and equipment for continuing operations $ 568.5 $ 425.8 $ 421.4
Fleet assets pledged 80.7    
$60 million senior secured revolving credit facility
     
Property, Plant and Equipment [Line Items]      
Revolving credit facility, maximum borrowing capacity $ 60.0