Acquisitions - GCA Preliminary Purchase Price Allocation (Details) - USD ($) $ in Millions |
6 Months Ended |
|
Apr. 30, 2018 |
Oct. 31, 2017 |
| Business Acquisition [Line Items] |
|
|
|
| Goodwill |
|
$ 1,867.5
|
$ 1,864.2
|
| GCA Holding Corp. |
|
|
|
| Business Acquisition [Line Items] |
|
|
|
| Cash and cash equivalents |
|
0.2
|
2.5
|
| Adjustment, Cash and cash equivalents |
|
(2.3)
|
|
| Trade accounts receivable |
[1] |
118.1
|
118.1
|
| Prepaid expenses and other current assets |
|
10.3
|
10.3
|
| Property, plant and equipment |
|
41.5
|
41.4
|
| Adjustment, Property, plant and equipment |
|
0.1
|
|
| Goodwill |
[2] |
933.4
|
933.9
|
| Adjustment, Goodwill |
[2] |
(0.5)
|
|
| Other assets |
|
4.0
|
4.2
|
| Adjustment, Other assets |
|
(0.2)
|
|
| Trade accounts payable |
|
(9.6)
|
(9.1)
|
| Adjustment, Trade accounts payable |
|
(0.4)
|
|
| Insurance reserves |
|
(35.6)
|
(35.5)
|
| Adjustment, Insurance reserves |
|
(0.2)
|
|
| Income taxes payable |
|
(8.3)
|
(16.5)
|
| Adjustment, Income taxes payable |
|
8.2
|
|
| Accrued liabilities |
|
(33.5)
|
(36.5)
|
| Adjustment, Accrued liabilities |
|
2.9
|
|
| Deferred income tax liability, net |
|
(92.6)
|
(92.6)
|
| Adjustment, Deferred income tax liability, net |
|
|
|
| Other liabilities |
|
(8.1)
|
(8.1)
|
| Net assets acquired |
|
1,258.8
|
1,261.3
|
| Adjustment, Net assets acquired |
|
(2.4)
|
|
| Acquired Receivables |
|
|
|
| Trade accounts receivable, gross |
|
122.0
|
|
| Estimated uncollectible trade accounts receivable |
|
3.9
|
|
| GCA Holding Corp. | Customer relationships |
|
|
|
| Business Acquisition [Line Items] |
|
|
|
| Intangible assets |
[3] |
330.0
|
340.0
|
| Adjustment, Intangible assets |
[3] |
$ (10.0)
|
|
| Acquired Intangible Assets |
|
|
|
| Amortization period for acquired intangible assets |
|
15 years
|
|
| GCA Holding Corp. | Trade names |
|
|
|
| Business Acquisition [Line Items] |
|
|
|
| Intangible assets |
[3] |
$ 9.0
|
$ 9.0
|
| Acquired Intangible Assets |
|
|
|
| Amortization period for acquired intangible assets |
|
2 years
|
|
|
|