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Restructuring and Impairment Charges - Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2020
Restructuring and impairment charges |  |  |
Restructuring charges | $ 14.0 | $ 4.0 |
Cost Smart Cost of Sales Program |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 9.0 | 1.0 |
Cost Smart Cost of Sales Program, Production facility closure, Australia |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 5.0 |  |
Cost Smart Cost of Sales Program, Production facility closure, Australia | Forecast | Minimum |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges |  |  | $ 5.0
Cost Smart Cost of Sales Program, Production facility closure, Australia | Forecast | Maximum |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges |  |  | $ 7.0
Cost Smart Cost of Sales Program, Production facility closure, Australia | Asset write-off |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 3.0 |  |
Cost Smart Cost of Sales Program, Production facility closure, Australia | Accelerated depreciation |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 1.0 |  |
Cost Smart Cost of Sales Program, Production facility closure, Australia | Other restructuring costs |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 1.0 |  |
Cost Smart Cost of Sales Program, North America |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 4.0 |  |
Cost Smart Cost of Sales Program, North America | Accelerated depreciation |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 3.0 |  |
Cost Smart Cost of Sales Program, North America | Professional Services |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 1.0 |  |
Cost Smart SG&A Program |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 5.0 |  |
Cost Smart SG&A Program | Employee-related severance costs |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | 2.0 |  |
Cost Smart SG&A Program | Employee-related severance and other costs |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges |  | 3.0 |
Cost Smart SG&A Program | Other restructuring costs |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges | $ 3.0 |  |
Cost Smart SG&A Program, Latin American Finance Transformation Initiative | Other restructuring costs |  |  |
Restructuring and impairment charges |  |  |
Restructuring charges |  | $ 1.0 |

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