CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 3,439	$ 2,789
Accounts receivable, less allowance for doubtful accounts of $4,643 and $3,044, respectively	88,047	65,683
Inventories	49,838	53,220
Other current assets	22,435	17,801
Total current assets	163,759	139,493
Property, plant and equipment, net	659,581	692,627
Goodwill	1,093,470	1,094,635
Other intangible assets, net	189,382	219,876
Other assets	25,341	24,652
Total assets	2,131,533	2,171,283
Current liabilities:
Accounts payable	31,098	38,652
Accrued employment and benefit costs	28,756	27,402
Customer deposits and advances	45,487	97,023
Accrued interest	14,550	13,682
Other current liabilities	33,782	33,607
Total current liabilities	153,673	210,366
Long-term borrowings	1,262,178	1,272,164
Accrued insurance	57,576	54,921
Other liabilities	79,819	80,850
Total liabilities	1,553,246	1,618,301
Commitments and contingencies
Partners’ capital:
Common Unitholders (61,405 and 61,105 units issued and outstanding at June 30, 2018 and September 30, 2017, respectively)	604,828	581,794
Accumulated other comprehensive loss	(26,541)	(28,812)
Total partners’ capital	578,287	552,982
Total liabilities and partners’ capital	$ 2,131,533	$ 2,171,283