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Income Taxes - Components of Comprehensive Provision for Income Taxes Allocation (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Schedule Of Income Tax [Line Items] |  |  |  |
Expected tax expense (benefit), at U.S. federal statutory income tax rate of 35% | $ (8.0) | $ 18.6 | $ (10.5) | $ 30.4
Incremental net benefit on earnings and losses of non-U.S. and U.S. subsidiaries | (4.6) | (1.4) | (32.7) | (2.6)
Non-U.S. tax rates |  | (1.3) | (0.6) | (3.0)
Valuation allowance | 2.3 |  | 152.6 |
Adjustment to the reserve for uncertain tax positions, net | 0.5 | 0.5 | (2.4) | (5.1)
Nondeductible expenses | 1.3 | 0.9 | 1.2 | 2.1
Domestic manufacturing credit |  | (0.7) | (1.0) | (0.9)
Adjustment to prior year taxes |  | (2.0) |  | (1.8)
U.S. state income taxes and other, net | (1.0) | 1.2 | (1.2) | 2.0
Income tax expense (benefit) | (9.5) | 15.8 | 105.4 | 21.1
Comprehensive provision for income taxes (benefit) allocable to: |  |  |  |
Income tax expense (benefit) | (9.5) | 15.8 | 105.4 | 21.1
Other comprehensive income (loss): |  |  |  |
Marketable securities | (2.8) | 0.1 | (3.5) | (11.1)
Interest rate swap | (2.6) |  | (2.6) |
Currency translation | (4.6) | (8.9) | (12.7) | (10.5)
Total | (18.5) | 7.8 | 88.7 | 1.8
Defined Benefit Pension Plans |  |  |  |
Other comprehensive income (loss): |  |  |  |
Defined benefit plans | 1.1 | 1.0 | 2.6 | 2.9
OPEB |  |  |  |
Other comprehensive income (loss): |  |  |  |
Defined benefit plans | $ (0.1) | $ (0.2) | $ (0.5) | $ (0.6)

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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from 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 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: 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=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. + References Reference 1: 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=6907707&loc=d3e32687-109319 Reference 2: 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=6907707&loc=d3e32698-109319 + Details
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