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

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ 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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Period Type:	instant

- 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

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- 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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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ 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

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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- Definition

The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
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Debt - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
Debt - Narrative (Details) - USD ($)	Feb. 29, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Mar. 31, 2015
Debt Instrument [Line Items]
Short-term borrowings			$ 144,000,000		$ 162,800,000
Prepayment penalties			6,500,000	$ 0
Letter of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity			40,000,000
Letters of Credit Guarantees			11,000,000
Two Unsecured Letter Of Credit Facilities \| Letter of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity			94,000,000
Available capacity amount			39,000,000
Letters of Credit Guarantees			55,000,000
Forty Million Unsecured Letter Of Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity			40,000,000
Fifty Four Million Unsecured Letter Of Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity			$ 54,000,000
Debt instrument maturity date			Dec. 01, 2019
Revolving Facility
Debt Instrument [Line Items]
Maximum Borrowing Capacity			$ 525,000,000
Debt instrument maturity date			Mar. 01, 2020
Amount available			$ 79,000,000
Facility Fee Percentage			0.20%
Revolving Facility			$ 445,700,000		55,800,000
Revolving Facility \| Minimum
Debt Instrument [Line Items]
Facility Fee Percentage			0.125%
Revolving Facility \| Maximum
Debt Instrument [Line Items]
Facility Fee Percentage			0.30%
Private Placement Notes
Debt Instrument [Line Items]
Repayment of Private Placement			$ 86,000,000
Prepayment penalties			7,000,000
Term Loan - Amount Outstanding			$ 0		85,600,000
Term Loan
Debt Instrument [Line Items]
Debt instrument maturity date			Mar. 01, 2022
Term Loan - Amount Borrowed						$ 75,000,000
Remaining balance						$ 34,000,000
Term Loan - Amount Outstanding			$ 61,700,000		65,600,000
Multi-currency revolving facility
Debt Instrument [Line Items]
Maximum Borrowing Capacity			$ 20,000,000
Debt instrument maturity date			Mar. 01, 2019
Revolving Facility			$ 4,100,000		3,600,000
Available capacity amount			11,000,000
Multi-currency revolving facility \| Letter of Credit
Debt Instrument [Line Items]
Letters of Credit Guarantees			$ 5,000,000
Multi-currency revolving facility \| Minimum
Debt Instrument [Line Items]
Interest rate margin			1.00%
Multi-currency revolving facility \| Maximum
Debt Instrument [Line Items]
Interest rate margin			1.70%
LIBOR \| Revolving Facility
Debt Instrument [Line Items]
Interest rate margin			1.30%
LIBOR \| Revolving Facility \| Minimum
Debt Instrument [Line Items]
Interest rate margin			1.00%
LIBOR \| Revolving Facility \| Maximum
Debt Instrument [Line Items]
Interest rate margin			1.70%
LIBOR \| Term Loan
Debt Instrument [Line Items]
Interest rate margin			1.75%
Base Rate \| Revolving Facility \| Minimum
Debt Instrument [Line Items]
Interest rate margin			0.00%
Base Rate \| Revolving Facility \| Maximum
Debt Instrument [Line Items]
Interest rate margin			0.70%
Uncommitted credit facility
Debt Instrument [Line Items]
Short-term borrowings			$ 10,300,000		108,300,000
Uncommitted credit facility \| Twenty Four Million Uncommitted Credit Facility
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 24,000,000
Debt instrument maturity date		Feb. 01, 2017	Feb. 01, 2018
Short-term borrowings			$ 10,000,000
Uncommitted credit facility \| LIBOR \| Twenty Four Million Uncommitted Credit Facility
Debt Instrument [Line Items]
Interest rate margin	1.00%
Unsecured term loan facility \| One Hundred Million Uncommitted Credit Facility
Debt Instrument [Line Items]
Maximum Borrowing Capacity			$ 100,000,000
Interest rate margin			1.375%
Short-term borrowings			$ 85,000,000		$ 0
Unsecured term loan facility \| Minimum \| One Hundred Million Uncommitted Credit Facility
Debt Instrument [Line Items]
Interest rate margin			1.00%
Unsecured term loan facility \| Maximum \| One Hundred Million Uncommitted Credit Facility
Debt Instrument [Line Items]
Interest rate margin			1.875%