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Summary of Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Line Items] |  |  |  |  |
Beginning Balance | [1] | $ 1,276,324 |  | $ 1,284,079 |
Acquisition of theatres |  | 9,680 | [2] | 7,204 | [3]
Foreign currency translation adjustments |  | (2,633) |  | (14,959) |
Ending Balance | [1] | 1,283,371 |  | 1,276,324 |
U.S. Operating Segment |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Beginning Balance | [1] | 1,174,041 |  | 1,174,041 |
Acquisition of theatres | [2] | 8,812 |  |  |
Ending Balance | [1] | 1,182,853 |  | 1,174,041 |
International Operating Segment |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Beginning Balance | [1] | 102,283 |  | 110,038 |
Acquisition of theatres |  | 868 | [2] | 7,204 | [3]
Foreign currency translation adjustments |  | (2,633) |  | (14,959) |
Ending Balance | [1] | $ 100,518 |  | $ 102,283 |
[1] | Balances are presented net of accumulated impairment losses of $214,031 for the U.S. operating segment and $27,622 for the international operating segment
[2] | Amounts represent acquisition of two theatres in the U.S. and final purchase price adjustment for theatres acquired in Brazil during the year ended December 31, 2018.
[3] | Amount represents preliminary purchase price allocation for theatres acquired in Brazil.

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