XML 60 R48.htm IDEA: XBRL DOCUMENT v3.4.0.3
Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
Goodwill, beginning of the year $ 727,875 $ 727,875
Acquisitions 84,137 0
Goodwill, end of the year $ 812,012 $ 727,875