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REPORTABLE SEGMENTS - Schedule of disaggregated revenue by geographic region (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 2,270,626 | $ 2,066,546 | $ 1,874,248
Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,229,518 | 1,139,233 | 1,000,608
Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,041,108 | 927,313 | 873,640
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,753,075 | 1,646,215 | 1,511,168
United States | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 766,150 | 769,100 | 690,772
United States | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 986,925 | 877,115 | 820,396
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 123,679 | 85,469 | 63,393
Europe | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 123,607 | 85,339 | 63,284
Europe | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 72 | 130 | 109
Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 130,337 | 112,734 | 111,799
Canada | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 85,676 | 74,072 | 72,327
Canada | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 44,661 | 38,662 | 39,472
Australia |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 244,674 | 203,012 | 165,307
Australia | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 244,674 | 203,012 | 165,291
Australia | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 0 | 0 | 16
Total Revenue |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 18,861 | 19,116 | 22,581
Total Revenue | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 9,411 | 7,710 | 8,934
Total Revenue | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 9,450 | $ 11,406 | $ 13,647

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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