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Debt - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jun. 02, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |
Deferred financing costs | $ 0 | $ 1,000,000.0 | $ 0 |
Proceeds from early termination of interest rate swap | 200,000 |  |  |
Interest rate swap, fair value |  | 900,000 |  |
Aggregate maturities of total borrowings due, year one | 200,000 |  |  |
Aggregate maturities of total borrowings due, year two | 200,000 |  |  |
Aggregate maturities of total borrowings due, year three | 100,000 |  |  |
Aggregate maturities of total borrowings due, year four | $ 209,500,000 |  |  |
Weighted average interest rate on short-term borrowings | 1.70% |  |  |
Interest paid | $ 5,400,000 | 7,800,000 | 8,700,000 |
Unrealized (loss) gain on interest rate cash flow hedges, pretax, accumulated other comprehensive income (loss) | (3,900,000) | $ (1,000,000.0) | $ 400,000 |
Interest rate swap fair value | $ (3,000,000.0) |  |  |
Interest Rate Swap |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, amount outstanding |  |  |  | $ 150,000,000.0
2019 Credit Agreement | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, unused capacity, commitment fee percentage | 0.10% |  |  |
2019 Credit Agreement | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, unused capacity, commitment fee percentage | 0.25% |  |  |
2019 Credit Agreement | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Base rate borrowings margin ranges | 1.00% |  |  |
2019 Credit Agreement | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Base rate borrowings margin ranges | 1.75% |  |  |
2019 Credit Agreement | Base Rate | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Base rate borrowings margin ranges | 0.00% |  |  |
2019 Credit Agreement | Base Rate | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Base rate borrowings margin ranges | 0.75% |  |  |
2019 Credit Agreement | Letter of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Secured credit facility | $ 75,000,000 |  |  |
Credit facility outstanding amount | 10,300,000 |  |  |
2019 Credit Agreement | Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Secured credit facility | 500,000,000 |  |  |
Line of credit facility non-U.S. maximum borrowing capacity | 200,000,000 |  |  |
Secured credit facility, available increment | $ 250,000,000 |  |  |
Guaranteed percentage of outstanding voting capital stock | 65.00% |  |  |
Line of credit facility, covenant terms, leverage ratio maximum | 3.25 |  |  |
Line of credit facility, amount outstanding | $ 209,400,000 |  |  |
Credit facility outstanding amount | 280,300,000 |  |  |
2019 Credit Agreement | Revolving Credit Facility | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, covenants holiday, permitted acquisition consideration | 75,000,000 |  |  |
2019 Credit Agreement | Revolving Credit Facility | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, covenants, permitted dividends and stock repurchases | 35,000,000 |  |  |
Line of credit facility, covenants, permitted other incremental cash payments | 50,000,000 |  |  |
Interest Rate Swap |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, amount outstanding | 75,000,000.0 |  |  |
Interest rate swap, notional amount | $ 75,000,000.0 |  |  |

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- Definition Maximum borrowing capacity under the credit facility in non-U.S. currencies without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the faciity. + References No definition available. + Details
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- Definition Amount of dividends and stock repurchases the Company is permitted to fund if its leverage ratio is greater than what is defined in the covenant. + References No definition available. + Details
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- Definition Amount of other incremental cash payments the Company is permitted to make if its leverage ratio is greater than what is defined in the covenant. + References No definition available. + Details
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- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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