Assets Held for Sale and Discontinued Operations - Additional Information (Detail) (USD $)
Share data in Millions, unless otherwise specified
12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Sep. 30, 2013
Industrial Solutions
Dec. 31, 2013
Industrial Solutions
Mar. 31, 2013
TFI
Dec. 31, 2013
TFI
Dec. 31, 2012
TFI
Sep. 30, 2011
China Water
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                  
Business acquisition, aggregate purchase price             $ 246,000,000 $ 2,800,000  
Business acquisition consideration consisting of cash             230,200,000 2,100,000  
Business acquisition consideration consisting of shares             0.4    
Business acquisition fair value of common stock             15,800,000    
Increase in aggregate purchase price due to indemnification obligations 23,000 (1,004,000) (5,777,000)     600,000      
Business acquisition, contingent consideration 15,457,000 10,431,000           700,000  
Goodwill impairment charge       $ 98,500,000 $ 98,500,000        
Equity interest agreed to sell, percentage                 100.00%
Equity interest agreed to acquire, percentage                 10.00%