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Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Sales: |  |  |  |  |  |  |  |
Product | $ 267,694 |  | $ 208,862 |  | $ 1,571,034 |  | $ 1,396,281 |
Installations and service | 58,817 |  | 53,662 |  | 168,328 |  | 167,907 |
Total sales | 326,511 |  | 262,524 |  | 1,739,362 |  | 1,564,188 |
Cost and expenses: |  |  |  |  |  |  |  |
Cost of product | 215,826 |  | 163,515 |  | 1,213,967 |  | 1,091,918 |
Cost of installations and service | 50,003 |  | 44,102 |  | 156,478 |  | 152,661 |
(Increase) decrease in the fair value of derivative instruments | (3,308) |  | 1,910 |  | (4,661) |  | 6,428 |
Delivery and branch expenses | 66,347 |  | 53,798 |  | 227,175 |  | 205,507 |
Depreciation and amortization expenses | 5,760 |  | 4,328 |  | 15,036 |  | 13,007 |
General and administrative expenses | 5,140 |  | 4,557 |  | 16,995 |  | 13,809 |
Finance charge income | (2,460) |  | (1,685) |  | (5,671) |  | (4,947) |
Operating income (loss) | (10,797) |  | (8,001) |  | 120,043 |  | 85,805 |
Interest expense, net | (5,427) |  | (3,536) |  | (13,324) |  | (10,967) |
Amortization of debt issuance costs | (394) |  | (415) |  | (1,205) |  | (1,325) |
Income (loss) before income taxes | (16,618) |  | (11,952) |  | 105,514 |  | 73,513 |
Income tax expense (benefit) | (7,026) |  | (4,364) |  | 43,602 |  | 29,670 |
Net income (loss) | (9,592) |  | (7,588) |  | 61,912 |  | 43,843 |
General Partner's interest in net income (loss) | (54) |  | (41) |  | 349 |  | 237 |
Limited Partners' interest in net income (loss) | $ (9,538) |  | $ (7,547) |  | $ 61,563 |  | $ 43,606 |
Basic and diluted income (loss) per Limited Partner Unit | $ (0.17) | [1] | $ (0.13) | [1] | $ 0.91 | [1] | $ 0.63 | [1]
Weighted average number of Limited Partner units outstanding: |  |  |  |  |  |  |  |
Basic and Diluted | 57,468 |  | 59,370 |  | 57,482 |  | 59,918 |
[1] | See Note 14 Earnings (Loss) Per Limited Partner Unit.

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