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v3.20.2

Financial Instruments Measured At Fair Value, on Recurring Basis (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Liabilities, Fair Value Disclosure [Abstract] |  |  |  |  |
Interest rate swaps | $ 99.5 |  | $ 99.5 |  | $ 46.6
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | 5.1 |  | 5.1 |  |
Level 2 |  |  |  |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax | 0.0 | $ 0.1 | 0.0 | $ 0.1 |
Available-for-sale Securities, Gross Realized Gain (Loss) | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |
Level 2 | Minimum [Member] |  |  |  |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Debt Securities, Available-for-sale, Maturity Date | Jan. 01, 2027 |  | Jan. 01, 2027 |  |
Level 2 | Maximum [Member] |  |  |  |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Debt Securities, Available-for-sale, Maturity Date | Dec. 31, 2033 |  | Dec. 31, 2033 |  |
Fair Value, Recurring |  |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |  |
Total | $ 3.0 |  | $ 3.0 |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |  |  |
Interest rate swaps | 99.5 |  | 99.5 |  |
Business Combination, Contingent Consideration, Liability | 5.0 |  | 5.0 |  |
Total | 104.5 |  | 104.5 |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities, Current | 3.0 |  | 3.0 |  |
Fair Value, Recurring | Level 1 |  |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |  |
Total | 0.0 |  | 0.0 |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |  |  |
Interest rate swaps | 0.0 |  | 0.0 |  |
Business Combination, Contingent Consideration, Liability | 0.0 |  | 0.0 |  |
Total | 0.0 |  | 0.0 |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities, Current | 0.0 |  | 0.0 |  |
Fair Value, Recurring | Level 2 |  |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |  |
Total | 3.0 |  | 3.0 |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |  |  |
Interest rate swaps | 99.5 |  | 99.5 |  |
Business Combination, Contingent Consideration, Liability | 0.0 |  | 0.0 |  |
Total | 99.5 |  | 99.5 |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities, Current | 3.0 |  | 3.0 |  |
Fair Value, Recurring | Level 3 |  |  |  |  |
Assets, Fair Value Disclosure [Abstract] |  |  |  |  |
Total | 0.0 |  | 0.0 |  |
Liabilities, Fair Value Disclosure [Abstract] |  |  |  |  |
Interest rate swaps | 0.0 |  | 0.0 |  |
Business Combination, Contingent Consideration, Liability | 5.0 |  | 5.0 |  |
Total | 5.0 |  | 5.0 |  |
Investments, Fair Value Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities, Current | $ 0.0 |  | $ 0.0 |  |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References No definition available. + Details
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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References No definition available. + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Maturity date of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References No definition available. + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 + Details
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