Distributions declared to non-controlling unitholders of RMCO, LLC.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

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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.

+ References

No definition available.

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Earnings Per Share and Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands									3 Months Ended		5 Months Ended		9 Months Ended		21 Months Ended
	Nov. 03, 2016	Aug. 31, 2016	Jun. 02, 2016	Mar. 23, 2016	Sep. 03, 2015	Jun. 04, 2015	Apr. 08, 2015	Apr. 08, 2015	Sep. 30, 2016	Sep. 30, 2015	Aug. 31, 2016	Sep. 03, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016
Dividends Payable [Line Items]
Anti-dilutive shares															0
Class A common stock
Dividends Payable [Line Items]
Dividends to Class A common stockholders													$ 7,932	$ 4,571
Cash dividends declared per share of Class A common stock									$ 0.1500	$ 0.1250			$ 0.4500	$ 1.8750
Quarterly dividend \| Class A common stock
Dividends Payable [Line Items]
Dividends to Class A common stockholders		$ 2,647	$ 2,647	$ 2,638	$ 1,542	$ 1,529		$ 1,500
Cash dividends declared per share of Class A common stock	$ 0.15												$ 0.15	0.125
Special dividend \| Class A common stock
Dividends Payable [Line Items]
Dividends to Class A common stockholders							$ 17,883
Cash dividends declared per share of Class A common stock														$ 1.50
Distributions declared to non-controlling unitholders							$ 26,602
Quarterly distribution \| Class A common stock
Dividends Payable [Line Items]
Distributions declared to non-controlling unitholders											$ 1,884	$ 2,217