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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Income Taxes [Line Items] |  |  |
Income tax expense (benefit) | $ 8.2 | $ 5.7 |
Unrecognized tax benefits | 1.6 |  | $ 1.5
Accrued Interest included in unrecognized tax benefits | 0.2 |  | $ 0.2
Unrecognized tax benefits if recognized would impact on effective income tax rate | $ 1.6 |  |
Income tax examination description | With a few exceptions, we are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations by tax authorities for years before 2015. |  |
Stock-Based Compensation [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax expense (benefit) | $ 1.3 |  |
Base Erosion and Anti-Abuse Tax ("BEAT") [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax expense (benefit) | 1.2 |  |
State [Member] |  |  |
Income Taxes [Line Items] |  |  |
Valuation allowance | 12.0 |  |
Income tax expense (benefit) | 2.1 |  |
US and Foreign Operations [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax expense (benefit) | $ 3.6 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324 + Details
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