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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2017
Equity [Abstract] |
Components of Accumulated Other Comprehensive Loss | The following table presents the changes in the components of accumulated other comprehensive loss, net of tax, for the three months ended March 31, 2017:
($ in millions) | Losses on cash flow hedges |  | Unrealized gains on investment securities |  | Defined benefit pension and other postretirement plans |  | Foreign currency translation |  | Total
Balance, December 31, 2016 | $ | (3.2 | ) |  | $ | 5.2 |  |  | $ | (45.4 | ) |  | $ | (143.4 | ) |  | $ | (186.8 | )
Other comprehensive income (loss) before reclassifications | 1.4 |  |  | 0.3 |  |  | (0.1 | ) |  | 5.9 |  |  | 7.5 |
Amounts reclassified out | 0.3 |  |  | — |  |  | — |  |  | — |  |  | 0.3 |
Other comprehensive income (loss), net of tax | 1.7 |  |  | 0.3 |  |  | (0.1 | ) |  | 5.9 |  |  | 7.8 |
Balance, March 31, 2017 | $ | (1.5 | ) |  | $ | 5.5 |  |  | $ | (45.5 | ) |  | $ | (137.5 | ) |  | $ | (179.0 | )
Reclassification out of Accumulated Other Comprehensive Loss | A summary of the reclassifications out of accumulated other comprehensive loss is presented in the following table ($ in millions):
|  | Three Months Ended March 31, | Location on Statement of Income
Detail of components |  | 2017 |  | 2016
Losses on cash flow hedges: |  |  |  |  |
Foreign currency contracts |  | $ | (0.1 | ) |  | $ | — |  | Net sales
Interest rate swap contracts |  | (0.2 | ) |  | (0.3 | ) | Interest expense
Forward treasury locks |  | (0.1 | ) |  | (0.1 | ) | Interest expense
Total before tax |  | (0.4 | ) |  | (0.4 | ) |
Tax expense |  | 0.1 |  |  | 0.1 |  |
Net of tax |  | $ | (0.3 | ) |  | $ | (0.3 | ) |
Amortization of defined benefit pension and other postretirement plans: |  |  |  |  |
Prior service credit |  | $ | 0.5 |  |  | $ | 0.3 |  | (a)
Actuarial losses |  | (0.5 | ) |  | (0.8 | ) | (a)
Total before tax |  | — |  |  | (0.5 | ) |
Tax expense |  | — |  |  | 0.2 |  |
Net of tax |  | $ | — |  |  | $ | (0.3 | ) |
Total reclassifications for the period, net of tax |  | $ | (0.3 | ) |  | $ | (0.6 | ) |
(a) These components are included in the computation of net periodic benefit cost. Please refer to Note 10, Benefit Plans, for additional details.

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- 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
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