Debt Instrument, Issuance Price, Percentage Of Par

No definition available.

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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

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
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-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ 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

Amount of the required periodic payments including both interest and principal payments.

+ 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=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. 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 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Section 45
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-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

+ Details

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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Balance Type:	debit
Period Type:	duration

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- Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt - Narrative (Details)				3 Months Ended	12 Months Ended
Long-Term Debt - Narrative (Details)	Apr. 04, 2018	Oct. 02, 2017 USD ($)	Apr. 28, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017
Unsecured subordinated notes
Debt Instrument [Line Items]
Debt stated rate					7.25%
Debt periodic payment					$ 2,700,000
Senior 5.125% Unsecured Notes, Due 2025 \| Senior unsecured notes
Debt Instrument [Line Items]
Debt issued			$ 400,000,000
Debt stated rate			5.125%
Debt issuance price as percentage of par			100.00%
Debt issuance costs			$ 7,000,000
Senior 5.125% Unsecured Notes, Due 2025 \| Senior unsecured notes \| Redemption, Period One
Debt Instrument [Line Items]
Debt redemption price			100.00%
Senior 5.125% Unsecured Notes, Due 2025 \| Senior unsecured notes \| Redemption, Period Two
Debt Instrument [Line Items]
Debt redemption price			40.00%
Term Loan B, Maturing 2024
Debt Instrument [Line Items]
Debt issued		$ 300,000,000
Interest rate reduction	25.00%
Net leverage ratio requirement		2.75
Debt periodic payment		$ 3,000,000
Variable interest rate					4.34%	3.82%
Weighted average interest rate					4.30%	3.42%
Term Loan B, Maturing 2024 \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
LIBOR plus margin range		2.00%
Term Loan B, Maturing 2024 \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
LIBOR plus margin range		1.75%
Term Loan B, Maturing 2020
Debt Instrument [Line Items]
Write off of deferred financing costs				$ 2,400,000
Repaid debt face amount					$ 400,000,000
Revolving credit facility, variable rate \| Variable rate credit facility
Debt Instrument [Line Items]
Revolving credit and term loan agreement			$ 100,000,000
Amended and restated revolving credit facility \| Variable rate credit facility
Debt Instrument [Line Items]
Net leverage ratio requirement					5.5
Revolving credit and term loan agreement			$ 125,000,000
Amended and restated revolving credit facility \| Variable rate credit facility \| Minimum
Debt Instrument [Line Items]
Percentage of commitment fees of total unused commitment under revolving credit facility					0.30%
Amended and restated revolving credit facility \| Variable rate credit facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
LIBOR plus margin range			1.75%
Amended and restated revolving credit facility \| Variable rate credit facility \| Maximum
Debt Instrument [Line Items]
Percentage of commitment fees of total unused commitment under revolving credit facility					0.50%
Amended and restated revolving credit facility \| Variable rate credit facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
LIBOR plus margin range			2.50%