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INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Income tax expense | $ 7.6 | $ 9.1 |
Effective income tax rate | 7.00% | 16.60% |
Change to Provisional One-Time US Tax Expense on Post 1986 Foreign Earnings | $ 4.5 |  |
One Time Provisional US Tax Expense on Post 1986 Foreign Earnings | 53.5 |  | $ 58.0
Existing Post 1986 Foreign Earnings Subject to One Time US Tax | 1,200.0 |  |
Write-Off of Deferred Tax Assets Relating to Officer Compensation | 2.8 |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 16.0 |  |
German Deferred Tax Assets [Member] |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 21.6 |  |

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- Definition Percentage 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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