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Identifiable Intangibles (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Identifiable Intangibles [Line Items] |  |
Nonamortizable identifiable intangibles | $ 498,517 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | $ 504,241 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Identifiable intangibles (net of amortization of $103.6 million and $68.3 million at December 31, 2014 and 2013, respectively) | 240,227 us-gaap_FiniteLivedIntangibleAssetsNet | 176,579 us-gaap_FiniteLivedIntangibleAssetsNet
Total identifiable intangibles | $ 738,744 us-gaap_IntangibleAssetsNetExcludingGoodwill | $ 680,820 us-gaap_IntangibleAssetsNetExcludingGoodwill

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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