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Long-Term Obligations - Additional Information (Details) $ in Thousands, € in Millions		3 Months Ended		12 Months Ended	46 Months Ended
	Nov. 20, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jan. 29, 2024 USD ($)	Dec. 20, 2018 USD ($)	Apr. 09, 2018 EUR (€)	Dec. 01, 2017 USD ($)	Apr. 14, 2016	May 09, 2013 USD ($)
Debt Instrument
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Debt		$ 7,000
Debt and Capital Lease Obligations		4,264,148		$ 4,347,697
Borrowings under revolving credit facilities		284,641	$ 201,669
Repayments of Long-term Debt		2,188	$ 4,405
Loans Payable [Member]
Debt Instrument
Secured Debt		347,813		350,000
Borrowings under revolving credit facilities	$ 400,000
Repayments of Long-term Debt	240,000
US Notes (2023) [Member]
Debt Instrument
Long-term Debt		600,000		600,000
Senior notes interest rate										4.75%
Euro Notes (2024)
Debt Instrument
Long-term Debt		560,900		573,350
Senior notes interest rate									3.875%
Euro Notes 2026/28 [Member]
Debt Instrument
Payments of Financing Costs				16,000
Long-term Debt		1,121,800		1,146,700			€ 1,000
Receivables securitization
Debt Instrument
Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount		$ 79,690		$ 110,000
Revolving Credit Facility [Member]
Debt Instrument
Increment change in applicable margin								0.25%
Weighted average interest rates		1.80%		1.90%
Long-Term Line of Credit, Current		$ 11,000		$ 9,000
Outstanding letters of credit		65,000
Line of Credit Facility, Remaining Borrowing Capacity		$ 1,700,000
Letter of Credit [Member]
Debt Instrument
Line of Credit Facility, Commitment Fee Percentage		0.125%
Amendment No. 3, Fourth Amended and Restate Credit Agreement [Member] | Revolving Credit Facility [Member]
Debt Instrument
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,150,000
Line of Credit Facility, Frequency of Payments		quarterly installments
Line of Credit Facility, Periodic Payment		$ 2,000			$ 4,000
Payments of Financing Costs				4,000
Fourth Amended Credit Agreement | Revolving Credit Facility [Member]
Debt Instrument
Line of Credit Facility, Maximum Borrowing Capacity								$ 2,750,000
Mitsubishi UFJ [Member] | Receivables securitization
Debt Instrument
Line of Credit Facility, Maximum Borrowing Capacity						$ 110,000
Weighted average interest rates		3.40%
Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount		$ 80,000		110,000
Twenty Twenty Three [Domain] | US Notes (2023) [Member]
Debt Instrument
Long-term Debt										$ 600,000
TwentyTwentySix [Member] | Euro Notes 2026/28 [Member]
Debt Instrument
Long-term Debt | €							€ 750
Senior notes interest rate							3.625%
TwentyTwentyEight [Member] | Euro Notes 2026/28 [Member]
Debt Instrument
Long-term Debt | €							€ 250
Senior notes interest rate							4.125%
Net Receivables [Member] | Mitsubishi UFJ [Member] | Receivables securitization
Debt Instrument
Debt Instrument, Collateral Amount		$ 142,000		$ 132,000
Maximum increment [Member] | Revolving Credit Facility [Member]
Debt Instrument
Increment change in commitment fees		0.05%

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- Definition

The amount of debt recognized as of the acquisition date.

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- Definition

The increment amount by which the applicable interest rate margin will increase/decrease depending on the total leverage ratio.

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Long-Term Line of Credit, Current

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of assets pledged to secure a debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Weighted average interest rate of debt outstanding.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of the required periodic payments of both interest and principal.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

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