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Reclassifications out of Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2018
Equity [Abstract] |
Summary of Reclassifications Out of Accumulated Other Comprehensive Loss | Reclassifications out of accumulated other comprehensive loss for 2018 were:
(in millions) |  | Amount Reclassified from AOCL |  |  | Affected Line Item in the Statement where Net Income is Presented
Details about AOCL Components
Defined benefit pension plan items: |  |  |  |  |  |
Amortization of prior service credit |  | $ | (1.1 | ) |  | See (1) below
Amortization of actuarial net losses |  |  | 2.0 |  |  | See (1) below
|  |  | 0.9 |  |  | Total before tax
|  |  | (0.1 | ) |  | Income tax expense
Total reclassifications |  | $ | 0.8 |  |  | Net of tax
(1) | These items are included in the computation of net periodic pension cost. See Note 9 of the Notes to the Consolidated Financial Statements for additional information.
Changes in Accumulated Other Comprehensive Loss | Changes in accumulated other comprehensive loss for 2018, net of tax, were:
(in millions) |  | Derivative Instruments |  |  | Defined Benefit Pension Plan Items |  |  | Cumulative Translation Adjustments |  |  | Total |
Balance at December 31, 2017 |  | $ | 1.2 |  |  | $ | (3.2 | ) |  | $ | (36.5 | ) |  | $ | (38.5 | )
Other comprehensive income before reclassifications |  |  | 0.3 |  |  |  | 0.0 |  |  |  | (22.6 | ) |  |  | (22.3 | )
Amounts reclassified from AOCL |  |  | 0.0 |  |  |  | 0.8 |  |  |  | 0.0 |  |  |  | 0.8 |
Actuarial net gains arising during the year |  |  | 0.0 |  |  |  | (15.7 | ) |  |  | 0.0 |  |  |  | (15.7 | )
Net current period other comprehensive income |  |  | 0.3 |  |  |  | (14.9 | ) |  |  | (22.6 | ) |  |  | (37.2 | )
Balance at December 31, 2018 |  | $ | 1.5 |  |  | $ | (18.1 | ) |  | $ | (59.1 | ) |  | $ | (75.7 | )

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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