SEGMENT INFORMATION (Details) - USD ($) $ in Thousands		3 Months Ended										12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues from external customers		$ 307,809	$ 308,836	$ 376,067	$ 402,059	$ 383,277	$ 449,579	$ 523,731	$ 538,940		$ 2,163,595	$ 1,394,771	$ 1,895,527	$ 2,163,595
Gross profit (loss)		17,809	$ 26,153	$ 51,053	$ 42,794	24,254	$ 43,639	$ 20,773	$ 51,977			137,809	140,643	295,190
Income (loss) from operations												(24,279)	(97,625)	102,395
Interest expense												(34,032)	(36,564)	(47,120)
Convertible debt conversion charge											$ (7,273)	0	0	(7,273)
Loss on senior note repurchase												0	0	(22,734)
Gain on earthquake insurance recovery										$ 22,451		0	0	22,451
Foreign Currency Transaction Gain (Loss), before Tax												(4,758)	(31,713)	(4,920)
Other income, net												11,063	13,658	11,935
Income (loss) before income taxes												(52,006)	(152,244)	54,734
Payments to Acquire Property, Plant, and Equipment												48,429	58,439	80,131
Depreciation & amortization												69,618	88,704	80,622
Total assets		1,275,191				1,495,724						1,275,191	1,495,724	1,821,231
Cash and Cash Equivalents, at Carrying Value		200,188				201,451						200,188	201,451	189,360	$ 189,114
Agricultural [Member]
Segment Reporting Information [Line Items]
Revenues from external customers												723,715	1,016,882	1,182,187
Gross profit (loss)												97,341	134,688	198,910
Income (loss) from operations												61,786	63,838	151,841
Payments to Acquire Property, Plant, and Equipment												12,733	17,448	28,763
Depreciation & amortization												28,489	37,996	29,781
Total assets		432,983				508,741						432,983	508,741	725,032
Earthmoving/construction [Member]
Segment Reporting Information [Line Items]
Revenues from external customers												505,927	610,596	749,115
Gross profit (loss)												33,526	(7,609)	83,358
Income (loss) from operations												(13,707)	(80,600)	22,008
Payments to Acquire Property, Plant, and Equipment												19,468	29,190	35,702
Depreciation & amortization												29,069	36,608	40,272
Total assets		540,434				591,553						540,434	591,553	749,564
Consumer [Member]
Segment Reporting Information [Line Items]
Revenues from external customers												165,129	268,049	232,293
Gross profit (loss)												11,084	16,250	15,542
Income (loss) from operations												(5,458)	(8,766)	1,630
Payments to Acquire Property, Plant, and Equipment												3,442	7,608	7,393
Depreciation & amortization												7,037	9,743	6,246
Total assets		122,123				175,475						122,123	175,475	172,320
Unallocated Amount to Segment [Member]
Segment Reporting Information [Line Items]
Gross profit (loss)												(4,142)	(2,686)	(2,620)
Income (loss) from operations												(66,900)	(72,097)	(73,084)
Payments to Acquire Property, Plant, and Equipment												12,786	4,193	8,273
Depreciation & amortization												5,023	4,357	4,323
Total assets	[1]	179,651				219,955						179,651	219,955	174,315
Cash and Cash Equivalents, at Carrying Value		$ 143,000				$ 133,000						$ 143,000	$ 133,000	$ 82,000

[1] Unallocated assets include cash of approximately $143 million, $133 million, and $82 million at year-end 2015, 2014 and 2013, respectively.