Stockholders' Equity and Equity Instruments - Components and Changes In AOCL (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning balance |
$ 123.8
|
$ 355.7
|
$ 378.3
|
$ 517.7
|
| Other comprehensive (loss) income before reclassifications |
27.7
|
3.4
|
9.1
|
(167.7)
|
| Amounts reclassified from accumulated other comprehensive loss |
0.1
|
0.0
|
(1.5)
|
(2.4)
|
| Net current period other comprehensive income |
27.8
|
3.4
|
7.6
|
(170.1)
|
| Ending balance |
186.6
|
333.3
|
186.6
|
333.3
|
| Gains (loss) on foreign exchange of intercompany notes of long-term nature |
0.7
|
(14.4)
|
(18.5)
|
(89.9)
|
| Gains and (Losses) on Cash Flow Hedges |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning balance |
0.3
|
(0.5)
|
0.2
|
(0.6)
|
| Other comprehensive (loss) income before reclassifications |
1.2
|
0.9
|
3.1
|
3.6
|
| Amounts reclassified from accumulated other comprehensive loss |
(0.2)
|
(0.2)
|
(2.0)
|
(2.8)
|
| Net current period other comprehensive income |
1.0
|
0.7
|
1.1
|
0.8
|
| Ending balance |
1.3
|
0.2
|
1.3
|
0.2
|
| Defined Benefit Pension |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning balance |
(9.2)
|
(6.7)
|
(9.4)
|
(6.9)
|
| Other comprehensive (loss) income before reclassifications |
0.0
|
0.0
|
0.0
|
0.0
|
| Amounts reclassified from accumulated other comprehensive loss |
0.3
|
0.2
|
0.5
|
0.4
|
| Net current period other comprehensive income |
0.3
|
0.2
|
0.5
|
0.4
|
| Ending balance |
(8.9)
|
(6.5)
|
(8.9)
|
(6.5)
|
| Foreign Currency |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning balance |
(315.1)
|
(358.5)
|
(294.6)
|
(184.7)
|
| Other comprehensive (loss) income before reclassifications |
26.5
|
2.5
|
6.0
|
(171.3)
|
| Amounts reclassified from accumulated other comprehensive loss |
0.0
|
0.0
|
0.0
|
0.0
|
| Net current period other comprehensive income |
26.5
|
2.5
|
6.0
|
(171.3)
|
| Ending balance |
(288.6)
|
(356.0)
|
(288.6)
|
(356.0)
|
| Total |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning balance |
(324.0)
|
(365.7)
|
(303.8)
|
(192.2)
|
| Ending balance |
$ (296.2)
|
$ (362.3)
|
$ (296.2)
|
$ (362.3)
|