Unaudited Condensed Consolidated Statements of Stockholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Common Stock 5.75% Convertible Notes	Additional Paid-in Capital	Additional Paid-in Capital 5.75% Convertible Notes	Additional Paid-in Capital 1.50% Convertible Notes	Retained Earnings	Noncontrolling Interest	AOCI Attributable to Parent	Treasury Stock
Beginning Balance at Dec. 31, 2017		$ 9		$ 1,044,599			$ (223,718)	$ 23,444	$ (51,280)	$ (844,030)
Beginning Balance (in shares) at Dec. 31, 2017		9,016
Shares issued on vesting of restricted stock (in shares)		32
Shares issued on conversion of 5.75% Convertible Notes	$ 12,694		$ 1		$ 12,693
Shares issued on conversion of 5.75% Convertible Notes (in shares)			1,104
Shares issued on payment of interest of 5.75% Convertible Notes			$ 1		3,067
Shares issued on payment of interest of 5.75% Convertible Notes (in shares)			625
Write-off of equity component of 1.50% Convertible Notes						$ (23,250)
Cumulative effect of accounting change for adoption								1,176
Cumulative effect of accounting change for adoption | ASC 606							16,540
Cumulative effect of accounting change for adoption | ASU 2016-01							(3,177)		3,177
Foreign currency translation				(29)					(3,509)
Elimination of non-controlling interest related to the acquisition of additional interest in Hydraulic joint venture				2,097				(2,097)
Change in redemption value of redeemable non-controlling interest							1,498
Compensation expense in connection with restricted stock				(108)
Tax benefit related to amortization of convertible notes' discount				35
Payments from non-controlling interest holders, net of imputed interest								195
Net (loss) income	(22,811)						(31,446)	8,635
Distributions to joint ventures								(9,285)
Shares repurchased on vesting of restricted stock										(147)
Ending Balance (in shares) at Sep. 30, 2018		10,777
Ending Balance at Sep. 30, 2018	(74,909)	$ 11		1,039,104			(240,303)	22,068	(51,612)	(844,177)
Beginning Balance at Jun. 30, 2018		$ 10		1,037,670			(261,030)	24,106	(50,883)	(844,176)
Beginning Balance (in shares) at Jun. 30, 2018		10,149
Shares issued on vesting of restricted stock (in shares)		3
Shares issued on payment of interest of 5.75% Convertible Notes			$ 1		3,067
Shares issued on payment of interest of 5.75% Convertible Notes (in shares)			625
Foreign currency translation				(7)					(729)
Change in redemption value of redeemable non-controlling interest							503
Compensation expense in connection with restricted stock				(1,626)
Net (loss) income							20,224	1,487
Distributions to joint ventures								(3,525)
Shares repurchased on vesting of restricted stock										(1)
Ending Balance (in shares) at Sep. 30, 2018		10,777
Ending Balance at Sep. 30, 2018	(74,909)	$ 11		1,039,104			(240,303)	22,068	(51,612)	(844,177)
Beginning Balance at Dec. 31, 2018	(145,735)	$ 11		1,037,372			(312,796)	26,999	(53,068)	(844,253)
Beginning Balance (in shares) at Dec. 31, 2018		11,162
Shares issued on vesting of restricted stock (in shares)		95
Shares issued on conversion of 5.75% Convertible Notes	6,229		$ 4		6,225
Shares issued on conversion of 5.75% Convertible Notes (in shares)			3,727
Foreign currency translation				(76)					(4,647)
Re-purchase of Umbro China Equity				(770)				(495)
Change in redemption value of redeemable non-controlling interest				1,586
Compensation expense in connection with restricted stock				760
Reclass from redeemable NCI								(856)
Net (loss) income	(9,475)						(16,492)	5,494
Distributions to joint ventures								(9,409)
Shares repurchased on vesting of restricted stock										(81)
Ending Balance (in shares) at Sep. 30, 2019		14,984
Ending Balance at Sep. 30, 2019	(164,492)	$ 15		1,045,097			(329,288)	21,733	(57,715)	(844,334)
Beginning Balance at Jun. 30, 2019		$ 15		1,045,518			(293,580)	22,612	(53,671)	(844,334)
Beginning Balance (in shares) at Jun. 30, 2019		14,928
Shares issued on conversion of 5.75% Convertible Notes					$ 46
Shares issued on conversion of 5.75% Convertible Notes (in shares)			56
Foreign currency translation				(59)					(4,044)
Re-purchase of Umbro China Equity				(770)				(495)
Compensation expense in connection with restricted stock				362
Net (loss) income							(35,708)	895
Distributions to joint ventures								(1,279)
Ending Balance (in shares) at Sep. 30, 2019		14,984
Ending Balance at Sep. 30, 2019	$ (164,492)	$ 15		$ 1,045,097			$ (329,288)	$ 21,733	$ (57,715)	$ (844,334)