Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Additional Information (Details)

v2.4.1.9
Goodwill and Other Intangible Assets - Additional Information (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Acquired Indefinite-lived Intangible Assets [Line Items]    
Amortization of intangible assets $ 4.9us-gaap_AmortizationOfIntangibleAssets $ 5.0us-gaap_AmortizationOfIntangibleAssets
Trade names    
Acquired Indefinite-lived Intangible Assets [Line Items]    
Impairment of intangible asset $ 0.5us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember