Consolidated Statements Of Changes In Equity - USD ($) $ in Thousands		Common Stock	Additional Paid-In Capital	Retained Deficit	Note Receivable from Shareholder	Accumulated Other Comprehensive Loss	Noncontrolling interests - Nonredeemable	Total
Increase (Decrease) in Stockholders' Equity
Cumulative effect of adjustment on opening balance | Adjustments [Member]				$ (3,841)		$ (385)	$ (224)	$ (4,450)
Balance, beginning of period (As Reported [Member]) at Dec. 31, 2011			$ 648,703	(483,815)	$ (125)	(4,890)	17,421	177,294
Balance, beginning of period at Dec. 31, 2011	[1]		648,703	(487,656)	(125)	(5,275)	17,197	172,844
Balance (in shares) (As Reported [Member]) at Dec. 31, 2011		1,025
Balance (in shares) at Dec. 31, 2011	[1]	1,025
Increase (Decrease) in Stockholders' Equity
Net (loss) income	[1]			(158,707)			2,445	(156,262)
Unrealized gain (loss) on interest rate swap agreement, net of tax | As Reported [Member]								(333)
Unrealized gain (loss) on interest rate swap agreement, net of tax						(333)		(333)	[1]
Net periodic benefit cost of pension plan	[1]
Foreign currency translation loss	[1]					(7,173)	(653)	(7,826)
Amortization of other comprehensive income for termination of interest rate swap agreement, net of tax						958		958
Consolidation of a noncontrolling interest	[1]						146	146
Redemption of Parent equity units | As Reported [Member]								53
Redemption of Parent equity units			(53)		53			53	[1]
Stock-based compensation			3,257					3,257
Payment of note receivable from shareholder					$ 72			72
Distributions							(3,492)	(3,492)
Balance, end of period at Dec. 31, 2012	[1]		651,907	(646,363)		(11,823)	15,643	9,364
Balance (in shares) at Dec. 31, 2012	[1]	1,025
Increase (Decrease) in Stockholders' Equity
Net (loss) income	[1]			(87,795)			1,964	(85,831)
Unrealized gain (loss) on interest rate swap agreement, net of tax	[1]
Net periodic benefit cost of pension plan	[1]
Foreign currency translation loss	[1]					(14,279)	(1,505)	(15,784)
Issuance of equity LLC units relating to earn-out liability			705					705
Issuance of equity LLC units relating to earn-out liability (in shares)		3
Deconsolidation of noncontrolling interest | As Reported [Member]								9
Deconsolidation of noncontrolling interest			(9)				9	9	[1]
Termination of prepaid services by noncontrolling interest holder							(2,551)	(2,551)
Step up in basis of joint venture interests			83					83
Purchase price fair value of noncontrolling interest - nonredeemable			(2,404)				2,194	(210)
Stock-based compensation			597					597
Distributions							(1,974)	(1,974)
Balance, end of period (As Reported [Member]) at Dec. 31, 2013								(79,218)
Balance, end of period (Adjustments [Member])								(16,383)
Balance, end of period at Dec. 31, 2013	[1]		650,879	(734,158)		(26,102)	13,780	$ (95,601)
Balance (in shares) at Dec. 31, 2013	[1]	1,028						1,028
Increase (Decrease) in Stockholders' Equity
Net (loss) income	[1]			(357,291)			3,300	$ (353,991)
Unrealized gain (loss) on interest rate swap agreement, net of tax	[1]
Net periodic benefit cost of pension plan | As Reported [Member]								(91)
Net periodic benefit cost of pension plan						(91)		(91)	[1]
Foreign currency translation loss						(10,727)	(1,371)	(12,098)
Accretion of Series A convertible redeemable preferred stock to redemption value | As Reported [Member]								(1,991)
Accretion of Series A convertible redeemable preferred stock to redemption value | Adjustments [Member]								(1,466)
Accretion of Series A convertible redeemable preferred stock to redemption value			(3,457)					(3,457)	[1]
Accrued Series A convertible redeemable preferred stock dividends			(12,683)					(12,683)
Reclassification of SFRO NCI - nonredeemable	[1]						32,725	32,725
Purchase price fair value of noncontrolling interest - nonredeemable							7,816	7,816
Proceeds from issuance of noncontrolling interest			(85)				(1,165)	(1,250)
Proceeds from noncontrolling interest holders - nonredeemable							296	296
Stock-based compensation			106					106
Distributions							(1,873)	(1,873)
Balance, end of period (As Reported [Member]) at Dec. 31, 2014								(456,610)
Balance, end of period (Adjustments [Member])								19,009
Balance, end of period at Dec. 31, 2014	[1]		$ 634,930	$ (1,091,449)		$ (36,920)	$ 55,838	$ (437,601)
Balance (in shares) at Dec. 31, 2014	[1]	1,028						1,028

[1] As Restated