Shareholders' Deficit - Summary of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
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| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||||||||||
| Beginning balance | $ (1,415.4) | $ (1,291.2) | $ (1,391.5) | $ (856.1) | ||||||||
| Amounts reclassified from accumulated other comprehensive loss to income, net of tax | (1.0) | [1] | 1.1 | [1] | (1.1) | [2] | 2.5 | [2] | ||||
| Total other comprehensive loss | (41.2) | (12.5) | (72.5) | (22.6) | ||||||||
| Ending balance | (1,361.9) | (1,333.4) | (1,361.9) | (1,333.4) | ||||||||
| Foreign Currency Translation Adjustments [Member] | ||||||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||||||||||
| Beginning balance | (239.1) | (189.7) | (211.6) | (178.4) | ||||||||
| Other comprehensive income (loss) before reclassifications, net of tax | (39.6) | (14.5) | (67.1) | (25.8) | ||||||||
| Amounts reclassified from accumulated other comprehensive loss to income, net of tax | 0.0 | [1] | 0.0 | [1] | 0.0 | [2] | 0.0 | [2] | ||||
| Total other comprehensive loss | (39.6) | (14.5) | (67.1) | (25.8) | ||||||||
| Ending balance | (278.7) | (204.2) | (278.7) | (204.2) | ||||||||
| Unrealized (Loss) Gain on Derivatives [Member] | ||||||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||||||||||
| Beginning balance | (4.0) | (2.6) | (0.2) | (3.8) | ||||||||
| Other comprehensive income (loss) before reclassifications, net of tax | (2.6) | 0.9 | (6.5) | 0.7 | ||||||||
| Amounts reclassified from accumulated other comprehensive loss to income, net of tax | (1.0) | [1] | 1.1 | [1] | 1.1 | [2] | 2.5 | [2] | ||||
| Total other comprehensive loss | 1.6 | 2.0 | (5.4) | 3.2 | ||||||||
| Ending balance | (5.6) | (0.6) | (5.6) | (0.6) | ||||||||
| Accumulated Other Comprehensive Loss [Member] | ||||||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||||||||||
| Beginning balance | (243.1) | (192.3) | (211.8) | (182.2) | ||||||||
| Other comprehensive income (loss) before reclassifications, net of tax | (42.2) | 13.6 | (73.6) | (25.1) | ||||||||
| Total other comprehensive loss | (41.2) | 12.5 | (72.5) | (22.6) | ||||||||
| Ending balance | $ (284.3) | $ (204.8) | $ (284.3) | $ (204.8) | ||||||||
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