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INCOME AND SOCIAL CONTRIBUTION TAXES - Changes in net deferred asset (liability) (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | R$ 3,755,686 | R$ 2,971,707 | R$ 3,011,794
Recognized in income | (217,433) | 798,160 | 18,367
Effect of selling of subsidiary and Others |  | 31,103 | 2,056
Others | (36,226) |  |
Comprehensive Income | 51,779 | (45,284) | (60,510)
Balance as of end of period | 3,553,806 | 3,755,686 | 2,971,707
Tax loss carryforward |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 1,339,933 | 973,638 | 874,357
Recognized in income | 4,781 | 341,664 | 157,402
Effect of selling of subsidiary and Others |  | 36,445 | (22,362)
Others | (36,226) |  |
Comprehensive Income | 32,976 | (11,814) | (35,759)
Balance as of end of period | 1,341,464 | 1,339,933 | 973,638
Social contribution tax losses |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 337,258 | 355,782 | 311,892
Recognized in income | 13,552 | (18,524) | 58,963
Effect of selling of subsidiary and Others |  |  | (15,073)
Balance as of end of period | 350,810 | 337,258 | 355,782
Provision for tax, civil and labor liabilities |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 270,417 | 275,463 | 755,198
Recognized in income | (27,848) | (5,214) | (479,836)
Effect of selling of subsidiary and Others |  | 168 | 101
Comprehensive Income | 225 |  |
Balance as of end of period | 242,794 | 270,417 | 275,463
Benefits granted to employees |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 286,494 | 282,803 | 432,537
Recognized in income | (29,739) | (16,564) | (48,466)
Effect of selling of subsidiary and Others |  | 67,184 | (9,363)
Comprehensive Income | 37,276 | (46,929) | (91,905)
Balance as of end of period | 294,031 | 286,494 | 282,803
Other temporary differences |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 525,818 | 410,300 | 350,762
Recognized in income | 73,067 | 93,094 | (81,627)
Effect of selling of subsidiary and Others |  | 17,177 | 92,174
Comprehensive Income | (23,166) | 5,247 | 48,991
Balance as of end of period | 575,719 | 525,818 | 410,300
Deferred exchange variance |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 1,284,377 | 1,060,527 | 1,251,542
Recognized in income | (106,640) | 223,850 | (199,200)
Effect of selling of subsidiary and Others |  |  | 8,185
Comprehensive Income | (309) |  |
Balance as of end of period | 1,177,428 | 1,284,377 | 1,060,527
Provision for losses |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | 83,837 | 110,728 | 112,936
Recognized in income | (75,142) | (33,165) | (2,208)
Effect of selling of subsidiary and Others |  | (12) |
Comprehensive Income | 14,923 | 6,286 |
Balance as of end of period | 23,618 | 83,837 | 110,728
Fair value adjustments on businesses acquired |  |  |
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | (372,448) | (497,534) | (1,077,430)
Recognized in income | (69,464) | 213,019 | 613,339
Effect of selling of subsidiary and Others |  | (89,859) | (51,606)
Comprehensive Income | (10,146) | 1,926 | 18,163
Balance as of end of period | R$ (452,058) | R$ (372,448) | R$ (497,534)

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- Definition The decrease in deferred tax liability (asset) resulting from the loss of control of a subsidiary and other deferred tax liabilities (assets). + References No definition available. + Details
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- Definition The increase (decrease) in deferred tax liability (asset) resulting from other changes not separately disclosed. + References No definition available. + Details
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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2019-03-27 + Details
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