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Goodwill and Other Intangible Assets, Net - Summary of Goodwill Activity (Detail) $ in Millions | 6 Months Ended
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Jun. 30, 2017 USD ($)
Goodwill [Line Items] |
Beginning balance | $ 10,218.9
Acquisitions | 172.1
Other Adjustments | 8.9
Impairment | (17.1)
Foreign Currency | 79.1
Ending balance | 10,461.9
Live [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 3,639.9
Acquisitions | 172.1
Other Adjustments | 22.1
Foreign Currency | 19.6
Ending balance | 3,853.7
Learn [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 2,785.4
Other Adjustments | 3.9
Foreign Currency | 37.5
Ending balance | 2,826.8
Work [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 1,871.0
Other Adjustments | (16.9)
Foreign Currency | 16.2
Ending balance | 1,870.3
Play [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 1,161.4
Other Adjustments | (7.6)
Foreign Currency | 3.9
Ending balance | 1,157.7
Other [Member] | Operating Segments [Member] |
Goodwill [Line Items] |
Beginning balance | 761.2
Other Adjustments | 7.4
Impairment | (17.1)
Foreign Currency | 1.9
Ending balance | $ 753.4

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