CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Sep. 30, 2018		Sep. 30, 2017		Sep. 30, 2016
Sales:
Total sales		$ 1,677,837		$ 1,323,555		$ 1,161,338
Cost and expenses:
(Increase) decrease in the fair value of derivative instruments	[1]	(11,408)		(2,193)		(18,217)
Delivery and branch expenses		357,580		306,534		276,493
Depreciation and amortization expenses		31,575		27,882		26,530
General and administrative expenses		24,227		24,998		23,366
Finance charge income		(4,700)		(4,054)		(3,079)
Operating income		66,068		55,332		87,404
Interest expense, net		(8,716)		(6,775)		(7,485)
Amortization of debt issuance costs		(1,288)		(1,281)		(1,247)
Other income, net	[2]	7,043
Income before income taxes		63,107		47,276		78,672
Income tax expense		7,602		20,376		33,738
Net income		55,505		26,900		44,934
General Partner’s interest in net income		314		156		252
Limited Partners’ interest in net income		$ 55,191		$ 26,744		$ 44,682
Basic and diluted income per Limited Partner Unit :	[3]	$ 0.89	[4]	$ 0.46	[4]	$ 0.70
Weighted average number of Limited Partner units outstanding:
Basic and Diluted		54,764		55,888		57,022
Product
Sales:
Total sales		$ 1,404,370		$ 1,065,076		$ 911,014
Installations and services
Sales:
Total sales		273,467		258,479		250,324
Cost of product
Cost and expenses:
Cost and expenses		957,843		675,386		539,831
Cost of installations and services
Cost and expenses:
Cost and expenses		$ 256,652		$ 239,670		$ 229,010

[1] Represents the change in value of unrealized open positions and expired options.

[2] See Note 2 - Other income, net.

[3] See Note 18 - Earnings Per Limited Partner Units.

[4] The sum of the quarters do not add-up to the total due to the weighting of Limited Partner Units outstanding, rounding or the theoretical effects of FASB ASC 260-10-45-60 to Master Limited Partners earnings per unit.