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v3.20.1

Debt (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |  |
Cash and Cash Equivalents, at Carrying Value | $ 323,585 | $ 207,785 | $ 126,480 | $ 178,110
Debt Instrument, Covenant Compliance | The Company was in compliance with its debt covenants at March 31, 2020. |  |  |
Senior Notes | $ 762,365 |  |  |
Unamortized Debt Issuance Expense | (2,232) |  |  |
Debt, Long-term and Short-term, Combined Amount | 1,569,418 |  |  |
Short-term borrowings and current maturities of long-term debt | (56,398) | (55,868) |  |
Long-term Debt, Excluding Current Maturities | 1,513,020 | 1,235,350 |  |
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax | 2,000 | $ 2,300 |  |
Cumulative (gain) loss in other other comprehensive income related to the change in a net investment hedge. | 500 |  |  |
3.67 % Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 50,000 |  |  |
Debt Instrument, Face Amount | $ 50,000 |  |  |
Debt Instrument, Maturity Date | Dec. 17, 2022 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.67% |  |  |
4.10% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 50,000 |  |  |
Debt Instrument, Face Amount | $ 50,000 |  |  |
Debt Instrument, Maturity Date | Sep. 19, 2023 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.10% |  |  |
3.84% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 125,000 |  |  |
Debt Instrument, Face Amount | $ 125,000 |  |  |
Debt Instrument, Maturity Date | Sep. 19, 2024 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.84% |  |  |
4.24% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 125,000 |  |  |
Debt Instrument, Face Amount | $ 125,000 |  |  |
Debt Instrument, Maturity Date | Jun. 25, 2025 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.24% |  |  |
3.91% $75 million senior notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount | $ 75,000 |  |  |
Debt Instrument, Maturity Date | Jun. 25, 2029 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.91% |  |  |
3.91% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 75,000 |  |  |
Debt Instrument, Face Amount | $ 75,000,000 |  |  |
Debt Instrument, Maturity Date | Jun. 25, 2029 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.91% |  |  |
3.19% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 50,000 |  |  |
Debt Instrument, Face Amount | $ 50,000 |  |  |
Debt Instrument, Maturity Date | Jan. 24, 2035 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.19% |  |  |
1.47% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 139,229 |  |  |
Debt Instrument, Face Amount | $ 125,000 |  |  |
Debt Instrument, Maturity Date | Jun. 17, 2030 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.47% |  |  |
1.30% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | $ 150,368 |  |  |
Debt Instrument, Face Amount | $ 135,000 |  |  |
Debt Instrument, Maturity Date | Nov. 06, 2034 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.30% |  |  |
$1.1 Billion Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | $ 342,900 |  |  |
Long-term Line of Credit | 750,422 |  |  |
Debt Instrument, Face Amount | $ 1,100,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.875% |  |  |
Other Local Arrangements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Other Borrowings | $ 56,631 |  |  |
Swiss Pension Loan [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 8750.00% |  |  |
Loan from Swiss Pension Plan USD Amount | $ 39,600 |  |  |
Swiss Pension Plan Loan in Swiss franc | 38,000 |  |  |
Us Dollar Amounts Member |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 473,894 |  |  |
Unamortized Debt Issuance Expense | (1,106) |  |  |
Debt, Long-term and Short-term, Combined Amount | 1,144,177 |  |  |
Short-term borrowings and current maturities of long-term debt | (1,053) |  |  |
Long-term Debt, Excluding Current Maturities | 1,143,124 |  |  |
Us Dollar Amounts Member | 3.67 % Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 50,000 |  |  |
Us Dollar Amounts Member | 4.10% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 50,000 |  |  |
Us Dollar Amounts Member | 3.84% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 125,000 |  |  |
Us Dollar Amounts Member | 4.24% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 125,000 |  |  |
Us Dollar Amounts Member | 3.91% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 75,000 |  |  |
Us Dollar Amounts Member | 3.19% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 50,000 |  |  |
Us Dollar Amounts Member | 1.47% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Us Dollar Amounts Member | 1.30% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Us Dollar Amounts Member | $1.1 Billion Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Line of Credit | 668,997 |  |  |
Us Dollar Amounts Member | Other Local Arrangements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Other Borrowings | 1,286 |  |  |
Other Principal Trading Currencies [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 288,471 |  |  |
Unamortized Debt Issuance Expense | (1,126) |  |  |
Debt, Long-term and Short-term, Combined Amount | 425,241 |  |  |
Short-term borrowings and current maturities of long-term debt | (55,345) |  |  |
Long-term Debt, Excluding Current Maturities | 369,896 |  |  |
Other Principal Trading Currencies [Member] | 3.67 % Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 4.10% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 3.84% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 4.24% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 3.91% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 3.19% Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 0 |  |  |
Other Principal Trading Currencies [Member] | 1.47% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 139,229 |  |  |
Other Principal Trading Currencies [Member] | 1.30% EURO Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Senior Notes | 150,368 |  |  |
Other Principal Trading Currencies [Member] | $1.1 Billion Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Line of Credit | 81,425 |  |  |
Other Principal Trading Currencies [Member] | Other Local Arrangements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Other Borrowings | $ 55,345 |  |  |

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