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CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL (unaudited) - 9 months ended Jun. 30, 2018 - USD ($)
shares in Thousands, $ in Thousands
Total
Common Unitholders [Member]
Accumulated Other Comprehensive (Loss) [Member]
Balance at Sep. 30, 2017 $ 552,982 $ 581,794 $ (28,812)
Balance (in units) at Sep. 30, 2017   61,105  
Net income 127,360 $ 127,360  
Other comprehensive income 2,271   2,271
Partnership distributions (110,342) $ (110,342)  
Common Units issued under Restricted Unit Plans (in units)   300  
Compensation cost recognized under Restricted Unit Plans, net of forfeitures 6,016 $ 6,016  
Balance at Jun. 30, 2018 $ 578,287 $ 604,828 $ (26,541)
Balance (in units) at Jun. 30, 2018   61,405