XML 66 R49.htm IDEA: XBRL DOCUMENT v3.5.0.2
Goodwill and other intangible assets, net - Amortization (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 0.8 $ 0.7 $ 1.6 $ 1.6