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Commitments and Contingencies (Schedule of Provision for Contingencies) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Loss Contingency Accrual [Roll Forward]      
Balance at beginning of period $ 26,078 $ 20,139 $ 22,341
Accruals, net 28,577 37,729 26,360
Settlements (20,554) (24,099) (23,556)
Reclassifications and increase of judicial deposits (37) (580) (572)
Translation 2,620 (7,111) (4,434)
Balance at end of period 36,684 26,078 20,139
Judicial Deposits [Roll Forward]      
Judicial deposits, beginning of period (5,500) (7,935) (7,519)
Judicial deposits, settlements 0 684 455
Judicial deposits, reclassifications (11,458) (863) (1,857)
Judicial deposits, translation (1,614) 2,614 986
Judicial deposits, end of period (18,572) (5,500) (7,935)
Loss Contingency Accrual, Net of Deposits [Roll Forward]      
Balance at beginning of period 20,578 12,204 14,822
Accruals, net 28,577 37,729 26,360
Settlements (20,554) (23,415) (23,101)
Reclassifications and increase of judicial deposits (11,495) (1,443) (2,429)
Translation 1,006 (4,497) (3,448)
Balance at end of period 18,112 20,578 12,204
Tax Contingencies in Brazil [Member]      
Loss Contingency Accrual [Roll Forward]      
Balance at beginning of period 5,118 1,999 2,235
Accruals, net 7,196 4,616 14
Settlements 0 (9) 0
Reclassifications and increase of judicial deposits 0 (532) 0
Translation 998 (956) (250)
Balance at end of period 13,312 5,118 1,999
Labor Contingencies in Brazil [Member]      
Loss Contingency Accrual [Roll Forward]      
Balance at beginning of period 7,013 10,360 9,484
Accruals, net 19,903 19,692 22,726
Settlements (17,523) (19,877) (20,582)
Reclassifications and increase of judicial deposits 0 (26) (29)
Translation 1,757 (3,136) (1,239)
Balance at end of period 11,150 7,013 10,360
Other [Member]      
Loss Contingency Accrual [Roll Forward]      
Balance at beginning of period 13,947 7,780 10,622
Accruals, net 1,478 13,421 3,620
Settlements (3,031) (4,213) (2,974)
Reclassifications and increase of judicial deposits (37) (22) (543)
Translation (135) (3,019) (2,945)
Balance at end of period $ 12,222 $ 13,947 $ 7,780