Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Line Items]
Number of reporting units	13
Cash flows discounted range lower limit	8.40%
Cash flows discounted range upper limit	11.50%
Impairments of finite-lived identifiable intangible assets	$ 2.0	$ 5.2	$ 1.5
Amortization of intangible assets	46.2	49.7	21.0
Estimated future amortizatiof expense of intangible assets for 2012	47.7
Estimated future amortizatiof expense of intangible assets for 2013	46.9
Estimated future amortizatiof expense of intangible assets for 2014	46.3
Estimated future amortizatiof expense of intangible assets for 2015	45.6
Estimated future amortizatiof expense of intangible assets for 2016	$ 44.3