v3.5.0.2

Accumulated Other Comprehensive Income (Loss) and Other Comprehensive Income (Loss) - Schedule of Components of Other Comprehensive Income (Loss) that have been Reclassified (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), before income taxes | $ (43.3) | $ (238.1) | $ 137.3
Total tax expense (benefit) for the period | 5.0 | (90.4) | 49.1
Other comprehensive income (loss), net of tax | (48.3) | (147.7) | 88.2
Change in Derivative Cash Flow Hedges [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), before income taxes | 14.1 | (11.8) | (1.4)
Total tax expense (benefit) for the period | 5.3 | (4.4) | (0.5)
Other comprehensive income (loss), net of tax | 8.8 | (7.4) | (0.9)
Change in Pension and OPEB Liability Adjustments [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), before income taxes | 25.1 | (168.6) | 173.4
Total tax expense (benefit) for the period | 9.4 | (63.1) | 64.3
Other comprehensive income (loss), net of tax | 15.7 | (105.5) | 109.1
Settlement loss (Curtailment gain) |  | 5.8 | (15.5)
Settlement loss (Curtailment gain) |  | 5.8 | (15.5)
Amortization of actuarial gain (loss) and prior service credit | (7.5) | (9.5) | (0.2)
Other Comprehensive Loss Reclassifications [Member] | Change in Derivative Cash Flow Hedges [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), net of tax | (6.9) |  |
Other Comprehensive Loss Reclassifications [Member] | Change in Pension and OPEB Liability Adjustments [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), before income taxes | (7.5) | (3.7) | (15.7)
Other comprehensive income (loss), net of tax | (4.7) | (2.3) | (9.7)
Settlement loss (Curtailment gain) |  | 5.8 | (15.5)
Settlement loss (Curtailment gain) |  | 5.8 | (15.5)
Other Comprehensive Loss Reclassifications [Member] | Cost of Sales [Member] | Change in Derivative Cash Flow Hedges [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Other comprehensive income (loss), before income taxes | (11.1) |  |
Other Comprehensive Loss Reclassifications [Member] | Provision for Income Taxes [Member] | Change in Derivative Cash Flow Hedges [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Total tax expense (benefit) for the period | (4.2) |  |
Other Comprehensive Loss Reclassifications [Member] | Provision for Income Taxes [Member] | Change in Pension and OPEB Liability Adjustments [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Total tax expense (benefit) for the period | (2.8) | (1.4) | (6.0)
Other Comprehensive Loss Reclassifications [Member] | Cost of Sales and Selling, General and Administrative Expenses [Member] | Change in Pension and OPEB Liability Adjustments [Member] |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [LineItems] |  |  |
Amortization of actuarial gain (loss) and prior service credit | $ (7.5) | $ (9.5) | $ (0.2)

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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 + Details
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=51821188&loc=d3e1436-108581 + Details
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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for net transition asset (obligation) related to pension and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 11 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=18498875&loc=d3e39076-109324 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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