CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 417,289	$ 568,813
Net receivables	1,312,573	1,341,998
Net inventories	315,064	258,495
Income tax receivable	22,066	0
Deferred income tax assets	106,566	101,720
Other current assets	45,174	51,512
Total current assets	2,218,732	2,322,538
Net property, plant, and equipment	602,320	604,498
Goodwill	1,251,536	1,251,536
Noncurrent deferred income tax assets	95,007	134,719
Deferred charges and other non-current assets	215,415	228,455
Total assets	4,383,010	4,541,746
Current liabilities:
Current portion of long-term debt	50,000	30,000
Accounts payable	337,713	333,980
Contract advances and allowances	119,491	119,824
Accrued compensation	137,630	121,901
Accrued income taxes	0	6,433
Other accrued liabilities	262,021	307,642
Total current liabilities	906,855	919,780
Long-term debt	1,023,877	1,272,002
Postretirement and postemployment benefits liabilities	94,087	111,392
Accrued pension liability	719,172	878,819
Other long-term liabilities	126,458	123,002
Total liabilities	2,870,449	3,304,995
Commitments and contingencies (Notes 10, 12 and 13)
Common stock	323	332
Additional paid-in-capital	534,137	537,921
Retained earnings	2,483,483	2,241,711
Accumulated other comprehensive loss	(828,304)	(910,598)
Common stock in treasury, at cost—9,237,154 shares held at March 31, 2013 and 8,413,041 shares held at March 31, 2012	(687,470)	(642,571)
Total Alliant Techsystems Inc. stockholders' equity	1,502,169	1,226,795
Noncontrolling interest	10,392	9,956
Total equity	1,512,561	1,236,751
Total liabilities and equity	$ 4,383,010	$ 4,541,746