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Debt - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($)
Debt Instrument [Line Items] |
Payment of Current Portion of Long Term Debt | $ 268.2
Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Line of credit facility, current borrowing capacity | 1,250.0
Revolving Credit Facility [Member] | Letter of Credit [Member] |
Debt Instrument [Line Items] |
Line of credit facility, maximum borrowing capacity | 100.0
Revolving Credit Facility [Member] | Commercial Paper [Member] |
Debt Instrument [Line Items] |
Line of credit facility, maximum borrowing capacity | 800.0
New Receivables Facility [Member] |
Debt Instrument [Line Items] |
Line of credit facility, maximum borrowing capacity | $ 950.0
Debt Instrument, maturity date | Oct. 01, 2019
Debt Instrument, Basis Spread on Variable Rate | 0.80%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.40%
A260 Senior Notes Due 2019 [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Basis Spread on Variable Rate | 2.60%
Payment of Current Portion of Long Term Debt | $ 268.0
Senior Exchange Notes due 2021 [Member] |
Debt Instrument [Line Items] |
Senior notes rate | 3.75%
Debt Instrument, face amount | $ 300.0
Deferred gain (loss) on net investment hedge recorded in AOCL, net of tax | $ 3.9

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