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Income Taxes (Tables) | 12 Months Ended
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Oct. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Geographic Sources of Income From Continuing Operations Before Income Taxes | Geographic Sources of Income from Continuing Operations Before Income Taxes
| Years Ended October 31,
(in millions) | 2019 |  | 2018 |  | 2017
United States | $ | 137.1 |  |  | $ | 94.8 |  |  | $ | 76.1 |
Foreign | 23.1 |  |  | (7.1 | ) |  | 10.8 |
Income from continuing operations before income taxes | $ | 160.2 |  |  | $ | 87.7 |  |  | $ | 86.9 |
Schedule of Components of Income Tax (Provision) Benefit | Components of Income Tax (Provision) Benefit
| Years Ended October 31,
(in millions) | 2019 |  | 2018 |  | 2017
Current: |  |  |  |  |
Federal | $ | (6.4 | ) |  | $ | (4.3 | ) |  | $ | (5.9 | )
State | (10.7 | ) |  | (7.3 | ) |  | (6.0 | )
Foreign | (5.9 | ) |  | (3.9 | ) |  | (3.0 | )
Deferred: |  |  |  |  |
Federal | (8.5 | ) |  | 21.8 |  |  | 5.0 |
State | (1.6 | ) |  | 0.2 |  |  | 0.3 |
Foreign | 0.4 |  |  | 1.7 |  |  | 0.8 |
Income tax (provision) benefit | $ | (32.7 | ) |  | $ | 8.2 |  |  | $ | (8.8 | )
Reconciliation of U.S. Statutory Tax Rate to Annual Effective Tax Rate | Reconciliation of the U.S. Statutory Tax Rate to Annual Effective Tax Rate
| Years Ended October 31,
| 2019 |  | 2018 |  | 2017
U.S. statutory rate | 21.0 | % |  | 23.3 | % |  | 35.0 | %
State and local income taxes, net of federal tax benefit | 5.9 |  |  | 6.9 |  |  | 5.5 |
Federal and state tax credits | (3.9 | ) |  | (7.8 | ) |  | (7.5 | )
Impact of foreign operations | (1.0 | ) |  | 1.3 |  |  | (2.7 | )
Changes in uncertain tax positions | (0.8 | ) |  | (6.7 | ) |  | (19.7 | )
Incremental tax benefit from share-based compensation awards | (0.7 | ) |  | (3.9 | ) |  | (4.2 | )
Tax credits for energy efficient government buildings | — |  |  | (3.2 | ) |  | (2.2 | )
Impact from goodwill impairment | — |  |  | 4.4 |  |  | — |
Transition tax on foreign earnings | (1.1 | ) |  | 5.1 |  |  | — |
Remeasurement of U.S. deferred taxes | (0.3 | ) |  | (31.5 | ) |  | — |
Nondeductible expenses | 2.1 |  |  | 2.4 |  |  | 5.7 |
Other, net | (0.8 | ) |  | 0.3 |  |  | 0.1 |
Effective tax rate | 20.4 | % |  | (9.4 | )% |  | 10.1 | %
Schedule of Components of Deferred Tax Assets and Liabilities | Components of Deferred Tax Assets and Liabilities
| As of October 31,
(in millions) | 2019 |  | 2018
Deferred tax assets attributable to: |  |  |
Self-insurance claims (net of recoverables) | $ | 83.6 |  |  | $ | 83.5 |
Deferred and other compensation | 25.6 |  |  | 22.7 |
Accounts receivable allowances | 5.6 |  |  | 6.5 |
Settlement liabilities | 3.1 |  |  | 3.3 |
Other accruals | 1.8 |  |  | (0.3 | )
Other comprehensive income | 0.5 |  |  | (5.7 | )
State taxes | 0.4 |  |  | 0.5 |
State net operating loss carryforwards | 11.2 |  |  | 15.9 |
Federal net operating loss carryforwards | — |  |  | 5.4 |
Tax credits | 6.3 |  |  | 21.7 |
Unrecognized tax benefits | 3.0 |  |  | 2.4 |
Other | — |  |  | 1.7 |
Gross deferred tax assets | 141.2 |  |  | 157.6 |
Valuation allowance | (8.4 | ) |  | (12.0 | )
Total deferred tax assets | 132.8 |  |  | 145.7 |
Deferred tax liabilities attributable to: |  |  |
Property, plant and equipment | (4.8 | ) |  | (4.2 | )
Goodwill and other acquired intangibles | (170.6 | ) |  | (179.2 | )
Other | (5.2 | ) |  | — |
Total deferred tax liabilities | (180.6 | ) |  | (183.4 | )
Net deferred tax liabilities | $ | (47.7 | ) |  | $ | (37.8 | )
Schedule of Changes to the Deferred Tax Asset Valuation Allowance | Changes to the Valuation Allowance
| Years Ended October 31,
(in millions) | 2019 |  | 2018 |  | 2017
Valuation allowance at beginning of year | $ | 12.0 |  |  | $ | 7.7 |  |  | $ | 5.4 |
GCA acquisition | — |  |  | 2.4 |  |  | 4.1 |
Other, net | (3.6 | ) |  | 1.8 |  |  | (1.8 | )
Valuation allowance at end of year | $ | 8.4 |  |  | $ | 12.0 |  |  | $ | 7.7 |
Reconciliation of Total Unrecognized Tax Benefits | Reconciliation of Total Unrecognized Tax Benefits
| Years Ended October 31,
(in millions) | 2019 |  | 2018 |  | 2017
Balance at beginning of year | $ | 35.8 |  |  | $ | 53.4 |  |  | $ | 57.2 |
Additions for tax positions related to the current year | — |  |  | 0.2 |  |  | — |
Additions for tax positions related to prior years | 3.6 |  |  | — |  |  | 16.4 |
Reductions for tax positions related to prior years | — |  |  | (9.0 | ) |  | (0.1 | )
Reductions for lapse of statute of limitations | (3.9 | ) |  | (8.7 | ) |  | (19.7 | )
Settlements | (0.3 | ) |  | (0.1 | ) |  | (0.3 | )
Balance at end of year | $ | 35.3 |  |  | $ | 35.8 |  |  | $ | 53.4 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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