Selected Quarterly Financial Data

12 Months Ended

Sep. 30, 2017

Selected Quarterly Financial Data

18) Selected Quarterly Financial Data (unaudited)

	Three Months Ended
(in thousands—except per unit data)	Dec. 31, 2016		Mar. 31, 2017		Jun. 30, 2017			Sep. 30, 2017			Total
Sales	$	384,118	$	532,052	$	225,801		$	181,584		$	1,323,555
Gross profit for product, installation and service	$	118,038	$	184,685	$	63,309		$	42,467			408,499
Operating income (loss)	$	33,237	$	69,032	$	(19,811	)	$	(27,126	)		55,332
Income (loss) before income taxes	$	31,138	$	66,996	$	(21,766	)	$	(29,092	)		47,276
Net income (loss)	$	18,275	$	39,704	$	(13,332	)	$	(17,747	)		26,900
Limited Partner interest in net income (loss)	$	18,170	$	39,471	$	(13,253	)	$	(17,644	)		26,744
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.28	$	0.59	$	(0.24	)	$	(0.32	)	$	0.46
	Three Months Ended
(in thousands—except per unit data)	Dec. 31, 2015		Mar. 31, 2016		Jun. 30, 2016			Sep. 30, 2016			Total
Sales	$	319,055	$	462,025	$	218,194		$	162,064		$	1,161,338
Gross profit for product, installation and service		106,041		183,303		61,354		$	41,799			392,497
Operating income (loss)		23,646		96,319		(2,955	)	$	(29,606	)		87,404
Income (loss) before income taxes		21,475		94,113		(4,993	)	$	(31,923	)		78,672
Net income (loss)		12,058		55,209		(3,238	)	$	(19,095	)		44,934
Limited Partner interest in net income (loss)		11,990		54,896		(3,219	)	$	(18,985	)		44,682
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.19	$	0.79	$	(0.06	)	$	(0.34	)	$	0.70

(a) 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.