XML 87 R64.htm IDEA: XBRL DOCUMENT v3.23.3
Segment Information - Operating Segment (Details)
$ in Millions
 12 Months Ended
Aug. 31, 2023
USD ($)
segment
Aug. 31, 2022
USD ($)
Aug. 31, 2021
USD ($)
Segment Reporting [Abstract]      
Number of reportable segments | segment 2    
Special charges $ 26.9 $ 0.0 $ 3.3
Segment Reporting Information [Line Items]      
Net sales 3,952.2 4,006.1 3,461.0
Operating profit (loss): 473.4 509.7 427.6
Depreciation and amortization: 93.2 94.8 100.1
Segment assets: 3,408.5 3,480.2 3,575.1
Capital expenditures: $ 66.7 56.5 43.8
Number of reportable segments | segment 2    
Special charges $ 26.9 0.0 3.3
Acuity Brands Lighting and Lighting Controls Segment      
Segment Reporting [Abstract]      
Special charges 25.0    
Segment Reporting Information [Line Items]      
Special charges 25.0    
Operating Segments | ABL      
Segment Reporting Information [Line Items]      
Net sales 3,722.8 3,810.1 3,287.3
Operating profit (loss): 509.5 545.6 476.2
Depreciation and amortization: 77.4 79.3 84.3
Segment assets: 870.1 1,097.8 925.3
Capital expenditures: 59.3 51.7 42.9
Operating Segments | ISG      
Segment Reporting Information [Line Items]      
Net sales 252.7 216.1 190.0
Operating profit (loss): 32.1 22.7 9.9
Depreciation and amortization: 14.4 14.4 14.7
Segment assets: 53.7 53.8 45.2
Capital expenditures: 3.5 2.6 0.8
Eliminations      
Segment Reporting Information [Line Items]      
Net sales (23.3) (20.1) (16.3)
Unallocated corporate amounts      
Segment Reporting Information [Line Items]      
Operating profit (loss): (68.2) (58.6) (58.5)
Depreciation and amortization: 1.4 1.1 1.1
Segment assets: 2,484.7 2,328.6 2,604.6
Capital expenditures: $ 3.9 $ 2.2 $ 0.1