Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Identified Intangible Assets - Additional Information (Details)

v3.2.0.727
Goodwill and Identified Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Mar. 31, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Acquired Indefinite-lived Intangible Assets [Line Items]          
Amortization of intangible assets $ 5.3   $ 5.1 $ 10.2 $ 10.1
Trade names          
Acquired Indefinite-lived Intangible Assets [Line Items]          
Impairment of intangible asset   $ 0.5