Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Finance lease obligations and other borrowings	$ 21,945	$ 13,541
Debt and finance lease obligations	1,360,004	1,483,047
Less amounts due within one year	9,739	68,218
Total debt due after one year	$ 1,350,265	$ 1,414,829
2022 EUR Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	1.25%	1.25%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 2,867	$ 3,914
Long-term debt	$ 542,033	$ 569,536
2023 Senior notes [Member]
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.00%	4.00%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 1,882	$ 2,192
Long-term debt	$ 298,118	$ 297,808
2022 Senior notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.50%	3.50%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 2,092	$ 2,589
Long-term debt	$ 497,908	$ 497,411
Term Loan Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	0.00%	4.30%
Debt issuance costs, net	$ 0	$ 249
Term Loan Facility	$ 0	$ 104,751

Capital lease obligations and other.

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Loans Payable - Term Loan Facility (outstanding balance on our new Term Loan Facility)

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Amount of short-term and long-term debt and lease obligation.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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