CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
Revenues from continuing operations:
Service revenues	$ 272,463	$ 341,831		$ 852,100	$ 1,054,591
Product revenues	155,871	184,546		483,560	519,613
Total revenues	428,334	526,377		1,335,660	1,574,204
Costs and expenses from continuing operations:
Cost of services sold	224,588	282,907		714,287	873,747
Cost of products sold	112,043	125,831		343,825	361,954
Selling, general and administrative expenses	64,526	67,774		186,891	212,537
Research and development expenses	1,057	854		3,490	4,575
Loss on disposal of the Harsco Infrastructure Segment and transaction costs	1,000	54		1,000	4,653
Other expenses	17,392	513		3,829	27,373
Total costs and expenses	420,606	477,933		1,253,322	1,484,839
Operating income from continuing operations	7,728	48,444		82,338	89,365
Interest income	264	555		951	1,262
Interest expense	(11,110)	(11,949)		(34,812)	(35,328)
Change in fair value to the unit adjustment liability	(2,083)	(2,398)		(6,492)	(7,417)
Income (loss) from continuing operations before income taxes and equity loss	(5,201)	34,652		41,985	47,882
Income tax expense	(6,985)	(13,925)		(26,945)	(24,079)
Equity in income (loss) of unconsolidated entities, net	3,105	5,805		(396)	1,057
Income (loss) from continuing operations	(9,081)	26,532		14,644	24,860
Discontinued operations:
Income (loss) on disposal of discontinued business	(637)	(640)		(849)	452
Income tax (expense) benefit related to discontinued business	235	237		313	(168)
Income (loss) from discontinued operations, net of tax	(402)	(403)		(536)	284
Net income (loss)	(9,483)	26,129		14,108	25,144
Less: Net (income) loss attributable to noncontrolling interests	827	(1,532)		(925)	(2,948)
Net income (loss) attributable to Harsco Corporation	(8,656)	24,597		13,183	22,196
Amounts attributable to Harsco Corporation common stockholders:
Income (loss) from continuing operations, net of tax	(8,254)	25,000		13,719	21,912
Income (loss) from discontinued operations, net of tax	(402)	(403)		(536)	284
Net income (loss) attributable to Harsco Corporation	$ (8,656)	$ 24,597		$ 13,183	$ 22,196
Weighted-average shares of common stock outstanding	80,238	80,918		80,233	80,873
Basic earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations (in dollars per share)	$ (0.10)	$ 0.31		$ 0.17	$ 0.27
Discontinued operations (in dollars per share)	(0.01)	0.00		(0.01)	0.00
Basic earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)	$ (0.11)	$ 0.30	[1]	$ 0.16	$ 0.27
Diluted weighted-average shares of common stock outstanding (in shares)	80,238	81,099		80,363	81,093
Diluted earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations (in dollars per share)	$ (0.10)	$ 0.31		$ 0.17	$ 0.27
Discontinued operations (in dollars per share)	(0.01)	0.00		(0.01)	0.00
Diluted earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)	(0.11)	0.30	[1]	0.16	0.27
Cash dividends declared per common share (in dollars per share)	$ 0.205	$ 0.205		$ 0.615	$ 0.615

[1] Does not total due to rounding.