Debt Instrument, Prepayment Premium, Period One

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- Definition

Debt Instrument, Prepayment Premium, Period Two

+ References

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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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.

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- Definition

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

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- Definition

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

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-Subparagraph (SX 210.5-02.22(a)(1))

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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.

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No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

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

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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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.

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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.

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

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Debt - Senior Unsecured Notes (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
Debt - Senior Unsecured Notes (Details) - USD ($)	Aug. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Mar. 31, 2015	Dec. 31, 2014	Aug. 31, 2014
Debt Instrument [Line Items]
Amortization of deferred financing costs		$ 1,100,000	$ 2,700,000	$ 5,000,000	$ 5,100,000
Unsecured revolving credit facility		$ 20,000,000		$ 20,000,000			$ 0
Convertible Debt \| Exchangeable Senior Notes due August 15, 2019
Debt Instrument [Line Items]
Debt instrument face amount								$ 250,000,000.0
Stated rate		2.625%		2.625%				2.625%
Interest expense debt		$ 2,400,000	1,300,000	$ 7,300,000	1,300,000
Contractual interest rate		1,600,000	900,000	4,900,000	900,000
Accretion of debt discount		700,000	300,000	2,000,000	300,000
Amortization of deferred financing costs		$ 100,000	$ 100,000	$ 400,000	$ 100,000
Senior Notes \| Series A, Series B, and Series C Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt instrument face amount						$ 350,000,000
Senior Notes \| Series A Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument face amount						$ 100,000,000
Stated rate		3.93%		3.93%		3.93%
Senior Notes \| Series B Senior Notes due 2027
Debt Instrument [Line Items]
Debt instrument face amount						$ 125,000,000
Stated rate		4.09%		4.09%		4.09%
Senior Notes \| Series C Senior Notes due 2030
Debt Instrument [Line Items]
Debt instrument face amount						$ 125,000,000
Stated rate		4.18%		4.18%		4.18%
Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Unsecured revolving credit facility	$ 265,000,000	$ 265,000,000		$ 265,000,000			$ 0
Additional incremental term loan amount	100,000,000
Maximum borrowing capacity	$ 365,000,000.0
Fixed rate on derivate		2.1485%		2.1485%
Prepayment premium, period one	2.00%
Prepayment premium, period two	1.00%
LIBOR \| Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate				1.60%
LIBOR \| Minimum \| Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate	1.40%
LIBOR \| Maximum \| Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate	2.35%
Base Rate \| Minimum \| Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate	0.40%
Base Rate \| Maximum \| Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate	1.35%