Allocation of the aggregate purchase price (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Mar. 31, 2013
TFI
Mar. 31, 2013
TFI
Customer relationships
Mar. 31, 2013
TFI
Vendor relationships
Mar. 31, 2013
TFI
Other intangibles
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]              
Accounts receivable       $ 13,808      
Inventory       3,456      
Other assets       1,431      
Property, plant and equipment       23,685      
Intangible Assets         93,200 16,300 1,400
Goodwill 408,696 415,176 90,008 145,031      
Accounts payable and accrued liabilities       (13,045)      
Deferred income tax liabilities, net       (39,261)      
Total       $ 246,005