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Revenue Recognition - Disaggregated Revenues (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Disaggregation of Revenue [Line Items]
Total sales	$ 926.1	$ 792.0
Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	883.6	753.6
Operating segments | ISG
Disaggregation of Revenue [Line Items]
Total sales	46.4	40.8
Eliminations
Disaggregation of Revenue [Line Items]
Total sales	(3.9)	(2.4)
Independent sales network | Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	636.8	559.5
Direct sales network | Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	90.0	80.1
Retail sales | Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	46.9	56.0
Corporate accounts | Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	37.0	22.9
Other | Operating segments | ABL
Disaggregation of Revenue [Line Items]
Total sales	$ 72.9	$ 35.1

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