Intangible Assets

3 Months Ended

Mar. 31, 2014

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

Intangible Assets

Intangible assets are net of accumulated amortization of $88.0 million and $81.7 million at March 31, 2014 and December 31, 2013, respectively.