Debt Conversion, Equity

No definition available.

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- Definition

Debt Conversion, Liability

+ References

No definition available.

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- Definition

Debt Instrument, Convertible, Threshold Consecutive Days Measuring Period

+ References

No definition available.

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- Definition

Trading Price Per Principal, Percentage

+ References

No definition available.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

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

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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- Definition

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

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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

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
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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, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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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.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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CONVERTIBLE NOTES PAYABLE - Additional Information (Details)	1 Months Ended	3 Months Ended
	Sep. 30, 2018 USD ($)	Mar. 31, 2019 USD ($) day $ / shares	Sep. 10, 2018 USD ($)	May 29, 2014 USD ($) $ / shares
Debt Instrument [Line Items]
Debt instrument, repurchase amount		$ 23,400,000
Senior Notes Due 2025
Debt Instrument [Line Items]
Debt instrument term		7 years
Note Purchase Agreement \| Senior convertible notes due 2019
Debt Instrument [Line Items]
Interest rate percentage				4.50%
Initial conversion price (in dollars per share) \| $ / shares				$ 17.41
Credit agreement amount				$ 46,000,000.0
Senior Notes \| Senior Notes Due 2025
Debt Instrument [Line Items]
Long-term debt, excluding current maturities		$ 276,000,000	$ 276,000,000
Interest rate percentage		2.50%	2.50%
Debt conversion, liability		$ 198,600,000
Debt conversion, equity		77,400,000
Proceeds from issuance of debt		$ 267,200,000
Debt instrument, convertible, threshold percentage of stock price trigger		130.00%
Conversion ratio		0.0257739
Initial conversion price (in dollars per share) \| $ / shares		$ 38.80
Debt issuance costs, net		$ 8,800,000
Debt instrument, interest rate, effective percentage		7.70%
Senior Notes \| Convertible Notes Due 2019
Debt Instrument [Line Items]
Interest rate percentage		4.50%
Debt instrument, convertible, threshold trading days \| day		20
Debt instrument, convertible, threshold consecutive trading days \| day		30
Debt instrument, repurchase amount		$ 23,400,000
Repayments of debt	$ 40,200,000
Debt instrument, convertible, threshold percentage of stock price trigger		130.00%
Debt instrument, convertible, threshold consecutive days measuring period \| day		10
Trading price per principal, percentage		98.00%
Gain (loss) on extinguishment of debt		$ (17,000,000)
Long-term debt and capital lease obligations		$ 22,600,000