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v3.19.2

CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL - USD ($) shares in Thousands, $ in Thousands | Total | General Partner | Common Stock | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | ---
Beginning Balance at Sep. 30, 2017 |  | $ 306,068 |  | $ (929) | $ 325,762 | $ (18,765)
Beginning Balance, unit at Sep. 30, 2017 |  |  |  | 326 | 55,888 |
Net income (loss) |  | 76,955 |  | $ 445 | $ 76,510 |
Unrealized gain on pension plan obligation |  | 1,344 | [1] |  |  | 1,344
Tax effect of unrealized gain on pension plan obligation |  | (422) |  |  |  | (422)
Unrealized gain (loss) on captive insurance collateral |  | (1,151) |  |  |  | (1,151)
Tax effect of unrealized gain (loss) on captive insurance collateral |  | 242 |  |  |  | 242
Distributions |  | (19,139) |  | (499) | (18,640) |
Retirement of units | [2] | (22,538) |  |  | $ (22,538) |
Retirement of units, shares | [2] |  |  |  | (2,370) |
Ending Balance at Jun. 30, 2018 |  | 341,359 |  | $ (983) | $ 361,094 | (18,752)
Ending Balance, Unit at Jun. 30, 2018 |  |  |  | 326 | 53,518 |
Beginning Balance at Mar. 31, 2018 |  | 366,260 |  | $ (743) | $ 385,909 | (18,906)
Beginning Balance, unit at Mar. 31, 2018 |  |  |  | 326 | 54,607 |
Net income (loss) |  | (8,005) |  | $ (49) | $ (7,956) |
Unrealized gain on pension plan obligation |  | 448 | [1] |  |  | 448
Tax effect of unrealized gain on pension plan obligation |  | (120) |  |  |  | (120)
Unrealized gain (loss) on captive insurance collateral |  | (220) |  |  |  | (220)
Tax effect of unrealized gain (loss) on captive insurance collateral |  | 46 |  |  |  | 46
Distributions |  | (6,535) |  | (191) | (6,344) |
Retirement of units | [2] | (10,515) |  |  | $ (10,515) |
Retirement of units, shares | [2] |  |  |  | (1,089) |
Ending Balance at Jun. 30, 2018 |  | 341,359 |  | $ (983) | $ 361,094 | (18,752)
Ending Balance, Unit at Jun. 30, 2018 |  |  |  | 326 | 53,518 |
Beginning Balance at Sep. 30, 2018 |  | 309,785 |  | $ (1,303) | $ 329,129 | (18,041)
Beginning Balance, unit at Sep. 30, 2018 |  |  |  | 326 | 53,088 |
Impact from adoption of ASU No. 2014-09 |  | 9,224 |  | $ 60 | $ 9,164 |
Net income (loss) |  | 51,542 |  | 319 | 51,223 |
Unrealized gain on pension plan obligation |  | 1,366 | [1] |  |  | 1,366
Tax effect of unrealized gain on pension plan obligation |  | (373) |  |  |  | (373)
Unrealized gain (loss) on captive insurance collateral |  | 1,960 |  |  |  | 1,960
Tax effect of unrealized gain (loss) on captive insurance collateral |  | (416) |  |  |  | (416)
Unrealized loss on interest rate hedges |  | (1,845) |  |  |  | (1,845)
Tax effect of unrealized loss on interest rate hedges |  | 488 |  |  |  | 488
Distributions |  | (19,208) |  | (598) | (18,610) |
Retirement of units | [2] | (34,948) |  |  | $ (34,948) |
Retirement of units, shares | [2] |  |  |  | (3,671) |
Ending Balance at Jun. 30, 2019 |  | 317,575 |  | $ (1,522) | $ 335,958 | (16,861)
Ending Balance, Unit at Jun. 30, 2019 |  |  |  | 326 | 49,417 |
Beginning Balance at Mar. 31, 2019 |  | 355,421 |  | $ (1,146) | $ 373,748 | (17,181)
Beginning Balance, unit at Mar. 31, 2019 |  |  |  | 326 | 50,302 |
Net income (loss) |  | (23,098) |  | $ (150) | $ (22,948) |
Unrealized gain on pension plan obligation |  | 455 | [1] |  |  | 455
Tax effect of unrealized gain on pension plan obligation |  | (124) |  |  |  | (124)
Unrealized gain (loss) on captive insurance collateral |  | 666 |  |  |  | 666
Tax effect of unrealized gain (loss) on captive insurance collateral |  | (140) |  |  |  | (140)
Unrealized loss on interest rate hedges |  | (733) |  |  |  | (733)
Tax effect of unrealized loss on interest rate hedges |  | 196 |  |  |  | 196
Distributions |  | (6,491) |  | (226) | (6,265) |
Retirement of units | [2] | (8,577) |  |  | $ (8,577) |
Retirement of units, shares | [2] |  |  |  | (885) |
Ending Balance at Jun. 30, 2019 |  | $ 317,575 |  | $ (1,522) | $ 335,958 | $ (16,861)
Ending Balance, Unit at Jun. 30, 2019 |  |  |  | 326 | 49,417 |
[1] | This item is included in the computation of net periodic pension cost.
[2] | See Note 4 – Common Unit Repurchase and Retirement.

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