Covenant Requirement, Interest Coverage Ratio

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- Definition

Debt Instrument, Covenant, Net Leverage Ratio, Maximum Unrestricted Domestic Cash And Cash Equivalents Permitted To Net Against Indebtedness

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Debt Covenant, Allowed Dividend Payments

+ References

No definition available.

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- Definition

Debt Instrument Higher Range Basis Spread On Variable Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Leverage Ratio, Maximum

+ References

No definition available.

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- Definition

Debt Instrument Lower Range Basis Spread On Variable Rate

+ References

No definition available.

+ Details

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- Definition

LIBORS Spread Maximum

+ References

No definition available.

+ Details

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- Definition

LIBORS Spread Minimum

+ References

No definition available.

+ Details

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- Definition

Leverage Ratio, Maximum

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Maximum Leverage Ratio Option

+ References

No definition available.

+ Details

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- Definition

Maximum Leverage Ratio Option, Period Of Increased Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Maximum Leverage Ratio Option, Period Of Increased Leverage Ratio, Number Of Fiscal Quarters

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

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- Definition

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

+ References

No definition available.

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (b)
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

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Balance Type:	debit
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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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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

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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-SubTopic 10
-Section 45
-Paragraph 14
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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Debt (Additional Information) (Details)				3 Months Ended	9 Months Ended	12 Months Ended
Debt (Additional Information) (Details)	Oct. 16, 2020 USD ($)	Oct. 02, 2020 USD ($)	Feb. 17, 2017 USD ($) fiscal_quarter	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)
Debt Instrument [Line Items]
Borrowings under revolving credit facility					$ 25,000,000	$ 25,000,000	$ 123,000,000
Interest expense on debt						6,500,000	7,200,000	$ 6,100,000
Line of credit fees						715,000	576,000	573,000
Debt issuance amortization costs						593,000	552,000	552,000
Revolving Credit Facility \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Debt instrument, term			5 years
Credit agreement, maximum borrowing capacity			$ 450,000,000.0
Line of credit facility, additional borrowing capacity			$ 175,000,000.0
Debt instrument, lower range basis spread on variable rate			0.375%
Debt instrument, higher range basis spread on variable rate			0.75%
Leverage ratio, maximum			3.25
Maximum leverage ratio option			3.50
One-time leverage ratio maximum option, number of fiscal quarters for period of increased maximum leverage ratio \| fiscal_quarter			3
Interest coverage ratio, minimum			3.00
Leverage ratio, cash dividends, maximum			2.75
Borrowings				$ 150,000,000.0	0
Repayments of lines of credit						248,000,000.0	105,500,000	5,000,000.0
Borrowings under revolving credit facility					$ 25,000,000.0	$ 25,000,000.0
Revolving Credit Facility \| Third Amended Credit Agreement \| Interest rate swap contract
Debt Instrument [Line Items]
Derivative, amount of hedged item									$ 75,000,000.0
Settlement of interest rate swap		$ 2,400,000
Revolving Credit Facility \| Third Amended Credit Agreement \| Minimum
Debt Instrument [Line Items]
Unused commitment fee, percentage			0.20%
Revolving Credit Facility \| Third Amended Credit Agreement \| Maximum
Debt Instrument [Line Items]
Unused commitment fee, percentage			0.30%
Allowed dividend payments			$ 20,000,000.0
Revolving Credit Facility \| Third Amended Credit Agreement \| Eurocurrency loans
Debt Instrument [Line Items]
LIBOR spread minimum			1.375%
LIBOR spread maximum			1.75%
Revolving Credit Facility \| Third Amended Credit Agreement \| Federal Funds Rate
Debt Instrument [Line Items]
Interest rate spread over variable rate			0.50%
Revolving Credit Facility \| Third Amended Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate spread over variable rate			1.00%
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity	$ 450,000,000.0
Line of credit facility, additional borrowing capacity	$ 175,000,000.0
Debt instrument, lower range basis spread on variable rate	0.625%
Debt instrument, higher range basis spread on variable rate	1.00%
Leverage ratio, maximum	3.25
Maximum leverage ratio option	3.50
Interest coverage ratio, minimum	3.00
Leverage ratio, cash dividends, maximum	2.75				2.75	2.75
One-time leverage ratio maximum option, period of increased maximum leverage ratio	1 year
Amount of unrestricted domestic cash and cash equivalents permitted to net against indebtedness in calculation of total net leverage ratio (up to)	50,000,000.0
Long-term line of credit					$ 2,300,000	$ 2,300,000	1,200,000
Debt issuance amortization costs						$ 600,000	$ 600,000	$ 600,000
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement \| Minimum
Debt Instrument [Line Items]
Unused commitment fee, percentage	0.25%
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement \| Maximum
Debt Instrument [Line Items]
Unused commitment fee, percentage	0.35%
Allowed dividend payments	$ 20,000,000.0
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement \| Eurocurrency loans
Debt Instrument [Line Items]
LIBOR spread minimum	1.625%
LIBOR spread maximum	2.00%
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement \| Federal Funds Rate
Debt Instrument [Line Items]
Interest rate spread over variable rate	0.50%
Revolving Credit Facility \| Fourth Amended and Restated Credit Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate spread over variable rate	1.00%					1.625%