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INCOME AND SOCIAL CONTRIBUTION TAXES - Changes in net deferred asset (liability) (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Breakdown and changes in deferred income and social contribution tax assets and liabilities at statutory tax rates |  |  |
Balance as of beginning of period | R$ 2,971,707 | R$ 3,011,794 | R$ 3,392,987
Recognized in income | 798,160 | 18,367 | (193,803)
Effect of selling of subsidiary and others |  | 2,056 | (211,897)
Others | 31,103 |  |
Comprehensive Income | (45,284) | (60,510) | 24,507
Balance as of end of period | 3,755,686 | 2,971,707 | 3,011,794
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 | 973,638 | 874,357 | 887,980
Recognized in income | 341,664 | 157,402 | 327,743
Effect of selling of subsidiary and others |  | (22,362) | (263,297)
Others | 36,445 |  |
Comprehensive Income | (11,814) | (35,759) | (78,069)
Balance as of end of period | 1,339,933 | 973,638 | 874,357
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 | 355,782 | 311,892 | 191,638
Recognized in income | (18,524) | 58,963 | 120,254
Effect of selling of subsidiary and others |  | (15,073) |
Balance as of end of period | 337,258 | 355,782 | 311,892
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 | 275,463 | 755,198 | 639,566
Recognized in income | (5,214) | (479,836) | 118,526
Effect of selling of subsidiary and others |  | 101 | (2,671)
Others | 168 |  |
Comprehensive Income |  |  | (223)
Balance as of end of period | 270,417 | 275,463 | 755,198
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 | 282,803 | 432,537 | 549,865
Recognized in income | (16,564) | (48,466) | (67,133)
Effect of selling of subsidiary and others |  | (9,363) | 34,982
Others | 67,184 |  |
Comprehensive Income | (46,929) | (91,905) | (85,177)
Balance as of end of period | 286,494 | 282,803 | 432,537
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 | 410,300 | 350,762 | 381,991
Recognized in income | 93,094 | (81,627) | (21,985)
Effect of selling of subsidiary and others |  | 92,174 | 20,776
Others | 17,177 |  |
Comprehensive Income | 5,247 | 48,991 | (30,020)
Balance as of end of period | 525,818 | 410,300 | 350,762
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 | 1,060,527 | 1,251,542 | 2,158,149
Recognized in income | 223,850 | (199,200) | (907,690)
Effect of selling of subsidiary and others |  | 8,185 |
Comprehensive Income |  |  | 1,083
Balance as of end of period | 1,284,377 | 1,060,527 | 1,251,542
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 | 110,728 | 112,936 | 151,678
Recognized in income | (33,165) | (2,208) | (34,059)
Effect of selling of subsidiary and others |  |  | (4,671)
Others | (12) |  |
Comprehensive Income | 6,286 |  | (12)
Balance as of end of period | 83,837 | 110,728 | 112,936
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 | (497,534) | (1,077,430) | (1,567,880)
Recognized in income | 213,019 | 613,339 | 270,541
Effect of selling of subsidiary and others |  | (51,606) | 2,984
Others | (89,859) |  |
Comprehensive Income | 1,926 | 18,163 | 216,925
Balance as of end of period | R$ (372,448) | R$ (497,534) | R$ (1,077,430)

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