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Revenue Revenue (Tables) | 12 Months Ended
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Dec. 31, 2018
Revenue [Abstract] |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] | The cumulative effect of the changes made to our consolidated January 1, 2018 balance sheet for the adoption of ASC 606 was as follows:
($ in millions) | Balance at December 31, 2017 |  | Adjustments Due to ASC 606 |  | Balance at January 1, 2018
Assets: |  |  |  |  |
Accounts receivable, net | $ | 253.2 |  |  | $ | 25.0 |  |  | $ | 278.2 |
Inventories | 215.2 |  |  | (20.8 | ) |  | 194.4 |
Other current assets | 39.2 |  |  | (8.4 | ) |  | 30.8 |
Liabilities and Equity: |  |  |  |  |
Other current liabilities | $ | 77.0 |  |  | $ | (13.7 | ) |  | $ | 63.3 |
Deferred income taxes | 10.4 |  |  | 3.0 |  |  | 13.4 |
Other long-term liabilities | 42.6 |  |  | (4.9 | ) |  | 37.7 |
Retained earnings | 1,178.2 |  |  | 11.4 |  |  | 1,189.6 |
The impact of the adoption of ASC 606 on our consolidated income statement for 2018 was as follows:
($ in millions) | As Reported |  | Balances without Adoption of ASC 606 |  | Effects of Change (Lower)/Higher
Net sales | $ | 1,717.4 |  |  | $ | 1,720.9 |  |  | $ | (3.5 | )
Cost of goods and services sold | 1,172.0 |  |  | 1,172.0 |  |  | — |
Other expense | 1.9 |  |  | 1.2 |  |  | 0.7 |
Income tax expense | 41.4 |  |  | 42.6 |  |  | (1.2 | )
Net income | $ | 206.9 |  |  | $ | 209.9 |  |  | $ | (3.0 | )
The impact of the adoption of ASC 606 on our consolidated balance sheet as of December 31, 2018 was as follows:
($ in millions) | As Reported |  | Balances without Adoption of ASC 606 |  | Effects of Change Higher/(Lower)
Assets: |  |  |  |  |
Accounts receivable, net | $ | 288.2 |  |  | $ | 264.3 |  |  | $ | 23.9 |
Inventories | 214.5 |  |  | 234.4 |  |  | (19.9 | )
Other current assets | 54.3 |  |  | 63.4 |  |  | (9.1 | )
Liabilities and Equity: |  |  |  |  |
Other current liabilities | $ | 76.6 |  |  | $ | 87.7 |  |  | $ | (11.1 | )
Deferred income taxes | 13.1 |  |  | 11.3 |  |  | 1.8 |
Other long-term liabilities | 33.6 |  |  | 37.8 |  |  | (4.2 | )
Retained earnings | 1,353.4 |  |  | 1,345.0 |  |  | 8.4 |
Disaggregation of Revenue [Table Text Block] | The following table presents the approximate percentage of our net sales by market group:
| 2018 |  | 2017 (1)
Biologics | 21 | % |  | 23 | %
Generics | 21 | % |  | 20 | %
Pharma | 34 | % |  | 34 | %
Contract-Manufactured Products | 24 | % |  | 23 | %
| 100 | % |  | 100 | %
(1) As noted above, prior period amounts have not been adjusted under the modified retrospective method.
The following table presents the approximate percentage of our net sales by product category:
| 2018 |  | 2017 (1)
High-Value Components | 41 | % |  | 41 | %
Standard Packaging | 32 | % |  | 32 | %
Delivery Devices | 3 | % |  | 4 | %
Contract-Manufactured Products | 24 | % |  | 23 | %
| 100 | % |  | 100 | %
(1) As noted above, prior period amounts have not been adjusted under the modified retrospective method.
The following table presents the approximate percentage of our net sales by geographic location:
| 2018 |  | 2017 (1)
Americas | 48 | % |  | 51 | %
Europe, Middle East, Africa | 44 | % |  | 42 | %
Asia Pacific | 8 | % |  | 7 | %
| 100 | % |  | 100 | %
(1) As noted above, prior period amounts have not been adjusted under the modified retrospective method.
Contract with Customer, Asset and Liability [Table Text Block] | The following table summarizes our contract assets and liabilities, excluding contract assets included in accounts receivable, net:
| ($ in millions)
Contract assets, December 31, 2017 | $ | 7.5 |
Contract assets, December 31, 2018 | 9.1 |
Change in contract assets - increase (decrease) | $ | 1.6 |
Deferred income, December 31, 2017 | $ | (33.6 | )
Deferred income, December 31, 2018 | (33.4 | )
Change in deferred income - decrease (increase) | $ | 0.2 |

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