Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 4,880	$ 110,158
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(2,118)	577
Cost of revenues	213,961	219,302
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0	4,791
Pension benefit liability, net	594	(109)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(1,524)	5,259
Total comprehensive income attributable to Holdings, net of tax	3,356	115,417
Less: Net income attributable to noncontrolling interests	1,215	850
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(17)	2
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 2,158	$ 114,565