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v3.19.1

Revenue Recognition - Schedule of Impact of Adoption on Condensed Consolidated Statement of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2019 | Mar. 31, 2018
Sales: |  |  |  |  |  |  |
Total sales |  | $ 699,582 |  | $ 684,031 |  | $ 1,234,609 | $ 1,120,865
Cost and expenses: |  |  |  |  |  |  |
Delivery and branch expenses |  | 110,684 |  | 106,605 |  | 213,357 | 197,809
Operating income |  | 105,002 |  | 85,473 |  | 111,065 | 116,539
Income before income taxes |  | 101,564 |  | 82,783 |  | 104,852 | 111,453
Income tax expense |  | 29,239 |  | 28,005 |  | 30,212 | 26,493
Net income |  | 72,325 | $ 2,315 | 54,778 | $ 30,182 | 74,640 | 84,960
General Partner’s interest in net income |  | 454 |  | 319 |  | 469 | 494
Limited Partners’ interest in net income |  | $ 71,871 |  | $ 54,459 |  | $ 74,171 | $ 84,466
Basic and diluted income per Limited Partner Unit | [1] | $ 1.15 |  | $ 0.81 |  | $ 1.19 | $ 1.26
Balances Without Adoption of ASC 606 | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | $ 703,882 |  |  |  | $ 1,240,829 |
Cost and expenses: |  |  |  |  |  |  |
Delivery and branch expenses |  | 111,163 |  |  |  | 216,372 |
Operating income |  | 108,823 |  |  |  | 114,270 |
Income before income taxes |  | 105,385 |  |  |  | 108,057 |
Income tax expense |  | 30,344 |  |  |  | 31,135 |
Net income |  | 75,041 |  |  |  | 76,922 |
General Partner’s interest in net income |  | 470 |  |  |  | 483 |
Limited Partners’ interest in net income |  | $ 74,571 |  |  |  | $ 76,439 |
Basic and diluted income per Limited Partner Unit |  | $ 1.19 |  |  |  | $ 1.22 |
Effect of Change Higher/(Lower) | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | $ (4,300) |  |  |  | $ (6,220) |
Cost and expenses: |  |  |  |  |  |  |
Delivery and branch expenses |  | (479) |  |  |  | (3,015) |
Operating income |  | (3,821) |  |  |  | (3,205) |
Income before income taxes |  | (3,821) |  |  |  | (3,205) |
Income tax expense |  | (1,105) |  |  |  | (923) |
Net income |  | (2,716) |  |  |  | (2,282) |
General Partner’s interest in net income |  | (16) |  |  |  | (14) |
Limited Partners’ interest in net income |  | $ (2,700) |  |  |  | $ (2,268) |
Basic and diluted income per Limited Partner Unit |  | $ (0.04) |  |  |  | $ (0.03) |
Product |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | $ 637,400 |  | $ 622,962 |  | $ 1,096,107 | $ 989,696
Product | Balances Without Adoption of ASC 606 | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | 643,407 |  |  |  | 1,105,560 |
Product | Effect of Change Higher/(Lower) | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | (6,007) |  |  |  | (9,453) |
Installations and services |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | 62,182 |  | $ 61,069 |  | 138,502 | $ 131,169
Installations and services | Balances Without Adoption of ASC 606 | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | 60,475 |  |  |  | 135,269 |
Installations and services | Effect of Change Higher/(Lower) | ASU 2014-09 |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |
Total sales |  | $ 1,707 |  |  |  | $ 3,233 |
[1] | See Note 15 - Earnings Per Limited Partner Unit.

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