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Fair Value Of Financial Instruments (Schedule Of Fair Values Of Financial Assets And Liabilities Measured On A Recurring Basis) (Detail) (Fair Value [Member], USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Life insurance surrender values | $ 5.3 | $ 11.9
Earn-out Arrangements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Acquisition-related contingent consideration | 162.9 | 143.6
Auction Rate Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Auction rate securities |  | 14.4
Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Life insurance surrender values | 5.3 | 11.9
Level 3 [Member] | Earn-out Arrangements [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Acquisition-related contingent consideration | 162.9 | 143.6
Level 3 [Member] | Auction Rate Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Non-Recurring Basis [Line Items] |  |
Auction rate securities |  | $ 14.4

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Surrender Value -URI http://asc.fasb.org/extlink&oid=6507153 + Details
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- Definition Fair value of obligations measured on a recurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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