v2.4.0.6
Acquisitions - Reconciliation of Fair Value of Acquired Assets and Assumed liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items]  
Account receivable $ 68,573
Inventory 79,297
Other current assets 11,497
Deferred income taxes 133,249
Property and equipment 53,607
Goodwill 432,245
Intangibles 366,400
Total assets acquired 1,016,530
Net assets acquired 727,236
Servalite [Member]
  
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items]  
Account receivable 2,633
Inventory 5,485
Other current assets 86
Deferred income taxes 1,341
Property and equipment 49
Goodwill 4,537
Intangibles 9,100
Total assets acquired 23,231
Less: Liabilities assumed 1,714
Net assets acquired 21,517
TagWorks [Member]
  
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items]  
Account receivable 735
Inventory 1,086
Other current assets 217
Deferred income taxes 24
Property and equipment 17,403
Goodwill 14,996
Intangibles 34,840
Total assets acquired 69,301
Less: Liabilities assumed 4,622
Net assets acquired 64,679
Ook [Member]
  
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items]  
Account receivable 2,186
Inventory 2,082
Deferred income taxes 854
Goodwill 3,765
Intangibles 7,690
Total assets acquired 16,577
Less: Liabilities assumed 1,766
Net assets acquired $ 14,811