v3.8.0.1

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of Estimated Useful Lives of Depreciable Assets | The provision for depreciation has been computed principally by the straight-line method based on the estimated useful lives of the depreciable assets as follows:
Category |  | Useful Life
Buildings |  | 30 years
Leased assets and leasehold improvements |  | Amortized over the lesser of the economic life of the asset or the term of the lease
Machinery and equipment |  | 3 – 10 years
The classes of property, plant and equipment as of December 31 are summarized as follows ($ in millions):
| 2017 |  | 2016
Land and improvements | $ | 67.8 |  |  | $ | 63.5 |
Buildings and leasehold improvements | 389.7 |  |  | 340.8 |
Machinery and equipment | 1,341.8 |  |  | 1,147.5 |
Gross property, plant and equipment | 1,799.3 |  |  | 1,551.8 |
Less: accumulated depreciation | (1,086.8 | ) |  | (1,004.2 | )
Property, plant and equipment, net | $ | 712.5 |  |  | $ | 547.6 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The changes in accumulated other comprehensive income (loss) by component are summarized below ($ in millions):
| Foreign currency translation adjustments |  | Pension & post- retirement plan benefit adjustments (b) |  | Total
Balance, January 1, 2015 | $ | 182.9 |  |  | $ | (83.4 | ) |  | $ | 99.5 |
Other comprehensive income (loss) before reclassifications: |  |  |  |  |
Increase (decrease) | (131.7 | ) |  | 17.6 |  |  | (114.1 | )
Income tax impact | — |  |  | (5.0 | ) |  | (5.0 | )
Other comprehensive income (loss) before reclassifications, net of income taxes | (131.7 | ) |  | 12.6 |  |  | (119.1 | )
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |
Increase (decrease) | — |  |  | 6.9 |  | (a) | 6.9 |
Income tax impact | — |  |  | (1.7 | ) |  | (1.7 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes: | — |  |  | 5.2 |  |  | 5.2 |
Net current period other comprehensive income (loss): | (131.7 | ) |  | 17.8 |  |  | (113.9 | )
Balance, December 31, 2015 | 51.2 |  |  | (65.6 | ) |  | (14.4 | )
Other comprehensive income (loss) before reclassifications: |  |  |  |  |
Increase (decrease) | (123.8 | ) |  | (13.8 | ) |  | (137.6 | )
Income tax impact | — |  |  | 2.0 |  |  | 2.0 |
Other comprehensive income (loss) before reclassifications, net of income taxes | (123.8 | ) |  | (11.8 | ) |  | (135.6 | )
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |
Increase (decrease) | — |  |  | 5.5 |  | (a) | 5.5 |
Income tax impact | — |  |  | (1.3 | ) |  | (1.3 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes | — |  |  | 4.2 |  |  | 4.2 |
Net current period other comprehensive income (loss) | (123.8 | ) |  | (7.6 | ) |  | (131.4 | )
Balance, December 31, 2016 | (72.6 | ) |  | (73.2 | ) |  | (145.8 | )
Other comprehensive income (loss) before reclassifications: |  |  |  |  |
Increase (decrease) | 136.6 |  |  | (3.5 | ) |  | 133.1 |
Income tax impact | — |  |  | 0.9 |  |  | 0.9 |
Other comprehensive income (loss) before reclassifications, net of income taxes | 136.6 |  |  | (2.6 | ) |  | 134.0 |
Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |
Increase (decrease) | — |  |  | 5.5 |  | (a) | 5.5 |
Income tax impact | — |  |  | (1.3 | ) |  | (1.3 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes: | — |  |  | 4.2 |  |  | 4.2 |
Net current period other comprehensive income (loss): | 136.6 |  |  | 1.6 |  |  | 138.2 |
Balance, December 31, 2017 | $ | 64.0 |  |  | $ | (71.6 | ) |  | $ | (7.6 | )
(a) This accumulated other comprehensive income (loss) component is included in the computation of net periodic pension cost (refer to Note 10 for additional details).
(b) Includes balances relating to non-U.S. employee defined benefit plans, supplemental executive retirement plans and other postretirement employee benefit plans.

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated 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 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration