Comprehensive Income

6 Months Ended

Jun. 30, 2011

Comprehensive Income

Comprehensive Income

14. Comprehensive Income

Comprehensive income consists of net income and other comprehensive income. Other comprehensive income items are transactions recorded in stockholders' equity during the year, excluding net income and transactions with stockholders.

The following table presents the components of comprehensive income:

	Three Months Ended June 30						Six Months Ended June 30
	2011			2010			2011			2010
	(In thousands)						(In thousands)
Net income attributable to Arch Coal, Inc.	$	11,079		$	66,156		$	66,680		$	64,360
Other comprehensive income, net of income taxes:
Pension, postretirement and other post-employment benefits, reclassifications into net income	293			(536		)	866			56
Unrealized losses on available-for-sale securities	(1,434		)	(925		)	(687		)	(916		)
Unrealized gains and losses on derivatives, net of reclassifications into net income:
Unrealized gains (losses) on derivatives	(3,127		)	(5,451		)	6,374			(5,089		)
Reclassifications of (gains) losses into net income	(4,360		)	(506		)	(6,484		)	1,217
Total comprehensive income	$	2,451		$	58,738		$	66,749		$	59,628