Goodwill and Intangible Assets (Narrative) (Detail) (USD $)	3 Months Ended	6 Months Ended
	Dec. 31, 2013	Jun. 30, 2014 Segment
Goodwill And Intangible Assets [Line Items]
Number of reporting units		8
Estimated cost of capital, minimum		10.00%
Estimated cost of capital, maximum		13.00%
Estimated cost of capital, weighted		11.00%
Hypothetical decrease to fair values of each reporting unit	10.00%
Net intangible assets	$ 408,923,000	$ 392,524,000
Intangibles with indefinite useful lives		30,700,000
Estimated amortization expense for intangible assets, current year		22,900,000
Estimated amortization expense for intangible assets, year 2015		39,200,000
Estimated amortization expense for intangible assets, year 2016		38,100,000
Estimated amortization expense for intangible assets, year 2017		37,200,000
Estimated amortization expense for intangible assets, year 2018		34,300,000
Estimated amortization expense for intangible assets, year 2019 and thereafter		$ 190,100,000