Comprehensive Income (Tables)

9 Months Ended

Jan. 01, 2012

Comprehensive Income.

Schedule of components of comprehensive income, net of income taxes

	Quarters Ended					Nine Months Ended
	January 1, 2012			January 2,  2011		January 1, 2012			January 2, 2011
Net income	$	49,759		$	70,276	$	201,561		$	242,439
Other comprehensive (loss) income:
Pension and other postretirement benefit liabilities, net of income taxes of $(8,724), $(7,539), $(26,173), and $(22,804), respectively	13,812			12,366		41,436			36,860
Change in fair value of derivatives, net of income taxes of $(3,875), $(6,210), $20,495, and $169, respectively	6,061			9,711		(32,056		)	(264		)
Change in fair value of available-for-sale securities, net of income taxes of $60, $(43), $34 and $83, respectively	(95		)	67		(54		)	(130		)
Total other comprehensive income	19,778			22,144		9,326			36,466
Comprehensive income	69,537			92,420		210,887			278,905
Comprehensive income attributable to noncontrolling interest	74			95		368			367
Comprehensive income attributable to Alliant Techsystems Inc.	$	69,463		$	92,325	$	210,519		$	278,538

Schedule of components of accumulated OCI, net of income taxes

	January 1, 2012			March 31, 2011
Derivatives	$	(1,957	)	$	30,099
Pension and other postretirement benefit liabilities	(776,980		)	(818,416		)
Available-for-sale securities	1,186			1,240
Total accumulated other comprehensive loss	$	(777,751	)	$	(787,077	)

Schedule of pre-tax activity in OCI related to forward contracts

	Quarters Ended						Nine Months Ended
	January 1, 2012			January 2, 2011			January 1, 2012			January 2, 2011
Beginning of period unrealized (loss) gain in accumulated OCI	$	(13,080	)	$	50,797		$	49,408		$	65,582
Increase (Decrease) in fair value of derivatives	12,845			26,610			(30,413		)	28,630
Gains reclassified from OCI, offsetting the price paid to suppliers	(2,908		)	(12,747		)	(22,138		)	(29,552		)
End of period unrealized (loss) gain in accumulated OCI	$	(3,143	)	$	64,660		$	(3,143	)	$	64,660