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Borrowing Facilities (Narrative) (Details) - USD ($) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 21, 2021 | Dec. 31, 2022 | Dec. 31, 2020 | May 20, 2022 | Dec. 31, 2021 | Jul. 20, 2018
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit agreement, secured by percentage of stock of the Company's domestic subsidiaries |  |  | 100.00% |  |  |
Credit agreement, secured by percentage of voting capital stock of each direct foreign subsidiary |  | 65.00% |  |  |  |
Aggregate maturities of long-term debt and capital lease obligations in 2022 |  | $ 4,100,000 |  |  |  |
Aggregate maturities of long-term debt and capital lease obligations in 2023 |  | 4,100,000 |  |  |  |
Aggregate maturities of long-term debt and capital lease obligations in 2024 |  | 6,600,000 |  |  |  |
Aggregate maturities of long-term debt and capital lease obligations in 2025 |  | $ 116,500,000 |  |  |  |
Credit Agreement [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit agreement capacity | $ 381,000,000 |  |  |  |  | $ 650,000,000
Description of variable interest rate basis |  | The Amendment also established that the interest on outstanding borrowings starting on the next reset date and any new borrowings under the Amendment (other than swingline loans) will accrue, at the Company’s option, at (a) BSBY plus the Applicable Rate (as defined in the Credit Agreement, approximately 1.00% to 2.00% per annum depending on various factors) or (b) for U.S. Dollar denominated loans, the base rate (which is the highest of (i) the federal funds rate plus 0.50%, (ii) the Bank of America, N.A. prime rate, (iii) the one month BSBY adjusted daily plus 1.00% and (iv) 1.00%). |  |  |  |
Credit Agreement covenant terms |  | The Credit Agreement contains certain financial covenants related to interest coverage and debt leverage, and certain customary affirmative and negative covenants, including restrictions on the Company’s ability to incur additional debt and liens, pay dividends, repurchase shares, sell assets and merge or consolidate with other persons. Amounts due under the Credit Agreement could be accelerated upon specified events of default, including a failure to pay amounts due, breach of a covenant, material inaccuracy of a representation, or occurrence of bankruptcy or insolvency, subject, in some cases, to cure periods. |  |  |  |
Federal Funds Rate |  | 0.50% |  |  |  |
Credit Agreement [Member] | Alternate Base Rate Plus [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 1.00% |  |  |  |
Credit Agreement [Member] | Bloomberg Short-Term Bank Yield Index Rate [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 1.00% |  |  |  |
Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 0.20% |  |  |  |
Credit Agreement [Member] | Minimum [Member] | Bloomberg Short-Term Bank Yield Index Rate [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 1.00% |  |  |  |
Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 0.30% |  |  |  |
Credit Agreement [Member] | Maximum [Member] | Bloomberg Short-Term Bank Yield Index Rate [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
U.S. Credit facility, commitment fee |  | 2.00% |  |  |  |
Credit Agreement [Member] | Bank Of America Credit Agreement [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit Agreement description |  | On July 20, 2018, the Company entered into a $650 million credit agreement (the Prior Credit Agreement) by and among the Company, certain of its subsidiaries, the lenders party thereto and Bank of America, N.A., as Administrative Agent, Swingline Lender and a L/C Issuer. The Prior Credit Agreement was comprised of a five-year $500 million revolving credit facility and a five-year $151 million term loan facility, both which had a maturity date of July 20, 2023. The term loan facility proceeds were used to (i) refinance a portion of existing indebtedness and terminate all commitments under the Company’s prior $430 million credit agreement and (ii) pay the fees, costs and expenses associated with the foregoing and the negotiation, execution and delivery of the Prior Credit Agreement. |  |  |  |
Credit Agreement issuer |  | Bank of America, N.A. |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit agreement capacity | $ 250,000,000 |  |  |  |  | 500,000,000
Term period | 5 years | 5 years |  |  |  |
Credit Agreement maturity date |  | Jul. 20, 2023 |  |  |  |
Possible increase to total commitments under Credit Agreement |  | $ 100,000,000 |  |  |  |
Revolving credit facility, available for future borrowings |  | 251,100,000 |  |  |  | 430,000,000
Principal amount |  | 195,000,000.0 |  |  |  |
Letters of credit outstanding amount |  | $ 3,900,000 |  |  |  |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit agreement capacity |  |  |  | $ 250,000,000 |  |
Credit Agreement maturity date | Jul. 20, 2023 |  |  |  |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit agreement capacity |  |  |  | $ 450,000,000 |  |
Credit Agreement maturity date | Dec. 21, 2026 |  |  |  |  |
Term Loan Facility [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Term period | 5 years | 5 years |  |  |  |
Credit Agreement maturity date |  | Jul. 20, 2023 |  |  |  |
Term Loan proceeds | $ 131,300,000 |  |  |  |  | $ 151,000,000
Term Loan frequency of periodic payments |  | quarterly |  |  |  |
Quarterly principal installments, Percentage |  | 1.25% |  |  |  |
Derivative Notional Amount |  | $ 131,300,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 2.928% |  |  |  |
Principal amount |  | $ 131,250,000 |  |  | $ 131,250,000 |
Term Loan Facility [Member] | Interest Rate Swap [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Derivative Notional Amount |  | $ 121,900,000 |  |  |  |
Term Loan Facility [Member] | Minimum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit Agreement maturity date | Jul. 20, 2023 |  |  |  |  |
Term Loan Facility [Member] | Maximum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Credit Agreement maturity date | Dec. 21, 2026 |  |  |  |  |
Term Loan Facility [Member] | Bank Of America Credit Agreement [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Quarterly principal installments, Percentage |  | 0.625% |  |  |  |

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