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Business combination and disposal of subsidiaries (Schedule of Allocation of Purchase Price at Date of Acquisition) (Details) ¥ in Thousands, $ in Thousands | Feb. 03, 2015 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥)
--- | --- | --- | --- | --- | ---
Purchase price allocation |  |  |  |  |
Goodwill |  | ¥ 14,300 | $ 2,060 | ¥ 151,638 | ¥ 300,382
Shanghai Beifu Culture Communication Co Ltd [Member] |  |  |  |  |
Purchase price allocation |  |  |  |  |
Cash consideration | ¥ 39,200 |  |  |  |
Contingent consideration | 107,306 |  |  |  |
Total consideration | 146,506 |  |  |  |
Net assets acquired | 31,994 |  |  |  |
Identifiable intangible assets acquired | 12,900 |  |  |  |
Goodwill | 147,388 |  |  |  |
Deferred tax liabilities | (3,225) |  |  |  |
Non-controlling interest | (42,551) |  |  |  |
Total | ¥ 146,506 |  |  |  |

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