CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 6,123,321	$ 7,469,347	$ 18,274,157	$ 22,973,064
Cost of sales	5,778,544	7,083,600	17,205,251	21,814,022
Restructuring charges	98,315		98,315
Gross profit	246,462	385,747	970,591	1,159,042
Selling, general and administrative expenses	207,224	244,830	589,751	667,028
Intangible amortization	6,137	12,901	21,211	36,480
Restructuring charges	4,376		4,376
Interest and other expense (income), net	(17,089)	7,695	(16,754)	31,364
Income from continuing operations before income taxes	45,814	120,321	372,007	424,170
Provision for income taxes	13,526	14,115	42,497	46,709
Income from continuing operations	32,288	106,206	329,510	377,461
Loss from discontinued operations, net of tax	(7,248)	(4,029)	(25,451)	(13,429)
Net income	$ 25,040	$ 102,177	$ 304,059	$ 364,032
Income from continuing operations:
Basic (in dollars per share)	$ 0.05	$ 0.15	$ 0.49	$ 0.52
Diluted (in dollars per share)	$ 0.05	$ 0.15	$ 0.49	$ 0.51
Loss from discontinued operations:
Basic (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.04)	$ (0.02)
Diluted (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.04)	$ (0.02)
Net income:
Basic (in dollars per share)	$ 0.04	$ 0.14	$ 0.46	$ 0.50
Diluted (in dollars per share)	$ 0.04	$ 0.14	$ 0.45	$ 0.49
Weighted-average shares used in computing per share amounts:
Basic (in shares)	658,925	710,324	666,852	726,432
Diluted (in shares)	669,488	720,894	678,610	737,255