Accrued Interest Paid

No definition available.

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- Definition

Debt instrument covenant consolidated fixed charge coverage ratio during cash dominion period.

+ References

No definition available.

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- Definition

Debt instrument discount rate.

+ References

No definition available.

+ Details

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- Definition

Debt instrument prepayment percentage.

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No definition available.

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- Definition

Debt instrument prepayment terms.

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No definition available.

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- Definition

Line of credit facility amendment fees incurred.

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No definition available.

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- Definition

Non renewal notification period required in writing of debt instrument agreement.

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No definition available.

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- Definition

Percentage of excess cash flow.

+ References

No definition available.

+ Details

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- Definition

Percentage of greatest amount of letter of credit drawn.

+ References

No definition available.

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- Definition

Percentage of net cash proceeds from issuances or incurrence of debt.

+ References

No definition available.

+ Details

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- Definition

Percentage of net cash proceeds of non ordinary sales or other dispositions of assets.

+ References

No definition available.

+ Details

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- Definition

Percentage of payments from insurance settlement.

+ References

No definition available.

+ Details

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- Definition

Renewal period of debt instrument.

+ References

No definition available.

+ Details

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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

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond 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 210.5-02.22)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

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-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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- 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

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

+ References

+ Details

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

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-SubTopic 30

-Section 55

-Paragraph 8

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

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-Name Accounting Standards Codification

-Topic 230

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- 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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- 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

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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- Definition

Description of when the fee for available but unused credit capacity is required to be paid (for example, annually, quarterly, or monthly).

+ References

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- Definition

Increase for accrued, but unpaid interest on the credit facility for the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Amount of increase (decrease) of the credit facility.

+ References

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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

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- Definition

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

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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

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (e)

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- Definition

The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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No definition available.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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Financing Arrangements - Additional Information (Detail)		6 Months Ended	9 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Debt issuance costs			$ 6,297,000	$ 139,000
Loss on extinguishment of debt			(15,528,000)
Unamortized debt issuance costs			$ 5,700,000
Accrued interest paid up to redemption date	$ 3,300,000
Consolidated fixed charge coverage ratio to be maintained			1
Deposits to be made in case of default equaling, percentage of greatest amount of letter of credit drawn			105.00%
LMI [Member]
Debt Instrument [Line Items]
Debt issuance costs			$ 5,900,000
Fees and expenses incurred in connection with amendment	400,000
Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount outstanding	400,000,000	$ 400,000,000	$ 400,000,000
Maturity date of term facility			Jun. 30, 2015
Notes interest rate			9.75%
Notes payment term, description			The interest on the Notes was at a rate of 9.750% per year, payable on May 15 and November 15 of each year.
Loss on extinguishment of debt			$ 15,500,000
Redemption premium			9,700,000
Unamortized debt issuance costs			$ 5,800,000
Seven Year Term Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount outstanding	$ 365,000,000	$ 365,000,000
Debt instrument discount percentage	1.25%	1.25%
Debt instrument discount amount	$ 4,600,000	$ 4,600,000
Increase in aggregate amount		$ 37,500,000
Description of variable rate basis			The term loans under the Term Facility bear interest, with pricing based from time to time at LMI's election at (i) LIBOR plus a spread of 6.00% (with a LIBOR rate floor of 1.00%) or (ii) the Base Rate (as defined in our Term Facility) plus a spread of 5.00%.
Prepayment terms			LMI is permitted to voluntarily prepay the Term Facility, in whole or in part, with a premium applicable for the first six months of the Term Facility in connection with a repricing transaction.
Percentage of principal amount required to be paid quarterly			(0.25%)
Maturity date of term facility			Jun. 30, 2022
Percentage of net cash proceeds of all non-ordinary course sales or other dispositions of assets			100.00%
Percentage of net cash proceeds from issuances or incurrence of debt			100.00%
Percentage of excess cash flow			50.00%
Seven Year Term Facility [Member] \| Zurich Insurance Settlement [Member]
Debt Instrument [Line Items]
Percentage of net payments from insurance settlement			50.00%
Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Credit facility expiration date			Feb. 05, 2016
Unfunded standby letter of credit outstanding			$ 8,800,000		$ 8,800,000
Renewal period of unfunded standby letter of credit			1 year
Period required for non renewal notification of debt instrument			60 days
Unfunded standby letter of credit payment term			The unfunded Standby Letter of Credit requires an annual fee, payable quarterly, which is set at LIBOR plus a spread of 2.00%
Borrowing base			$ 46,200,000
Available borrowing capacity			37,300,000
Accrued interest			$ 100,000
Revolving Line of Credit [Member] \| LMI [Member]
Debt Instrument [Line Items]
Description of variable rate basis			The loans under the Revolving Facility bear interest subject to a pricing grid based on average historical excess availability, with pricing based from time to time at the election of LMI at (i) LIBOR plus a spread ranging from 2.00% or (ii) the Reference Rate (as defined in the agreement) plus 1.00%. The Revolving Facility also includes an unused line fee of 0.375%
Unused line of credit fee (as a percent)			0.375%
Maximum borrowing capacity			$ 50,000,000
Credit facility expiration date			Jun. 30, 2020
LIBOR [Member] \| Seven Year Term Facility [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			6.00%
LIBOR [Member] \| Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			2.00%
LIBOR [Member] \| Revolving Line of Credit [Member] \| LMI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			2.00%
Reference Rate [Member] \| Seven Year Term Facility [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			5.00%
Reference Rate [Member] \| Revolving Line of Credit [Member] \| LMI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			1.00%
Interest Rate Floor [Member] \| Seven Year Term Facility [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			1.00%