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Goodwill and Other Intangible Assets, Net - Summary of Goodwill Activity (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2017 USD ($)
Goodwill [Line Items] |
Beginning balance | $ 10,218.9
Acquisitions | 14.1
Other Adjustments | 67.7
Impairment | (4.5)
Foreign Currency | 24.9
Ending balance | 10,321.1
Live [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 3,639.9
Acquisitions | 14.1
Other Adjustments | 36.3
Foreign Currency | 10.3
Ending balance | 3,700.6
Learn [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 2,785.4
Other Adjustments | 3.3
Foreign Currency | 2.1
Ending balance | 2,790.8
Work [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 1,871.0
Other Adjustments | 22.3
Foreign Currency | 9.2
Ending balance | 1,902.5
Play [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 1,161.4
Other Adjustments | (2.3)
Foreign Currency | 2.2
Ending balance | 1,161.3
Other [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 761.2
Other Adjustments | 8.1
Impairment | (4.5)
Foreign Currency | 1.1
Ending balance | $ 765.9

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