XML 77 R66.htm IDEA: XBRL DOCUMENT v3.3.0.814
Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed at Date of Closing - Emtrol (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Nov. 03, 2014
Dec. 31, 2013
Business Acquisition [Line Items]        
Goodwill $ 232,240 $ 167,547   $ 134,062
Emtrol [Member]        
Business Acquisition [Line Items]        
Current assets     $ 9,922  
Property and equipment     125  
Goodwill     24,998  
Intangible - finite life, net     12,890  
Total assets acquired     47,935  
Current liabilities assumed     (10,173)  
Net assets acquired     $ 37,762