GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Carrying Amount of Net Other Intangible Assets by Class (Details) - USD ($)
$ in Millions |
Apr. 30, 2019 |
Oct. 31, 2018 |
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Gross Intangible Assets |
$ 922.9
|
$ 207.6
|
| Accumulated Amortization |
144.1
|
127.0
|
| Net Intangible Assets |
778.8
|
80.6
|
| Net Intangible Assets |
778.8
|
80.6
|
| Customer relationships |
|
|
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Gross Intangible Assets |
861.0
|
162.2
|
| Accumulated Amortization |
120.6
|
105.8
|
| Net Intangible Assets |
740.4
|
56.4
|
| Trademarks, patents and trade names |
|
|
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Gross Intangible Assets |
25.8
|
10.9
|
| Accumulated Amortization |
6.4
|
5.1
|
| Net Intangible Assets |
19.4
|
5.8
|
| Trademarks, patents and trade names |
|
|
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Gross Intangible Assets |
0.9
|
|
| Accumulated Amortization |
0.1
|
|
| Net Intangible Assets |
0.8
|
|
| Total |
|
|
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Gross Intangible Assets |
22.0
|
21.2
|
| Accumulated Amortization |
17.0
|
16.1
|
| Net Intangible Assets |
5.0
|
5.1
|
| Trademarks, patents and trade names |
|
|
| Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
|
|
| Indefinite lived intangible assets |
$ 13.2
|
$ 13.3
|