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Represents the amount of expense expected to be recognized during in the remainder of the fiscal year following the latest fiscal year arising from the equity-based compensation arrangements.

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No definition available.

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Represents the amount of expense expected to be recognized after the third fiscal year following the latest fiscal year arising from the equity-based compensation arrangements.

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No definition available.

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Represents the amount of total expense expected to be recognized from the equity-based compensation arrangements.

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Represents the amount of expense expected to be recognized during the third fiscal year following the latest fiscal year arising from the equity-based compensation arrangements.

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No definition available.

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Represents the amount of expense expected to be recognized during the second fiscal year following the latest fiscal year arising from the equity-based compensation arrangements.

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No definition available.

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Represents the incremental amount that the maximum common units deliverable may automatically increase under the LTIP immediately after each issuance of common units, expressed as a percentage of issued and outstanding common units.

+ References

No definition available.

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The floor of a percent of entities outperformed by the entity as a condition of share based compensation awards vesting condition.

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No definition available.

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The ceiling of a percent of entities outperformed by the entity as a condition of share based compensation awards vesting condition.

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No definition available.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

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No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

+ References

No definition available.

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Equity - Performance Awards (Details) - USD ($)	3 Months Ended		6 Months Ended
Equity - Performance Awards (Details) - USD ($)	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016	Mar. 31, 2016
Equity-Based Incentive Compensation
Compensation cost			$ 19,000,000
Other disclosures
Maximum number of common units that may be delivered under the LTIP as a percentage of issued and outstanding common units			10.00%
Incremental amount that the maximum common units deliverable may automatically increase under the LTIP, expressed as a percentage of issued and outstanding common units			10.00%
Number of common units available for issuance under the LTIP (in units)	1,100,000		1,100,000
Performance awards
Equity-Based Incentive Compensation
Stock issued during period, shares, restricted stock award	1,189,000		1,189,000			637,382
Compensation cost	$ 1,600,000	$ 300,000	$ 3,100,000	$ 18,100,000
Estimated equity-based compensation expense
2017 (six months)			4,138,000
2018			6,197,000
2019			3,232,000
Thereafter			655,000
Total			$ 14,222,000
Performance awards \| Less than 50%
Equity-Based Incentive Compensation
Percentage of entities outperformed, upper limit			50.00%
Percentage of awards to vest			0.00%
Performance awards \| 50%-75% \| Minimum
Equity-Based Incentive Compensation
Percentage of entities outperformed, lower limit			50.00%
Percentage of awards to vest			50.00%
Performance awards \| 50%-75% \| Maximum
Equity-Based Incentive Compensation
Percentage of entities outperformed, upper limit			75.00%
Percentage of awards to vest			100.00%
Performance awards \| 75%-90% \| Minimum
Equity-Based Incentive Compensation
Percentage of entities outperformed, lower limit			75.00%
Percentage of awards to vest			100.00%
Performance awards \| 75%-90% \| Maximum
Equity-Based Incentive Compensation
Percentage of entities outperformed, upper limit			90.00%
Percentage of awards to vest			200.00%
Performance awards \| Greater than 90%
Equity-Based Incentive Compensation
Percentage of entities outperformed, lower limit			90.00%
Percentage of awards to vest			200.00%
Performance awards \| July 1, 2016
Equity-Based Incentive Compensation
Fair value of unvested awards					$ 0