Financial Instruments (Foreign Currency Contracts) (Details) (USD $) In Thousands	12 Months Ended
	Mar. 31, 2011
Total Notional Contract Value in USD	$ 2,384,305
Cash Flow Hedges [Member] | EUR [Member] | Sell [Member]
Foreign Currency Amount	20,317
Notional Contract Value in USD	28,086
Other Forward/Swap Contracts [Member] | CAD [Member] | Sell [Member]
Foreign Currency Amount	61,811
Notional Contract Value in USD	63,567
Other Forward/Swap Contracts [Member] | EUR [Member] | Sell [Member]
Foreign Currency Amount	226,074
Notional Contract Value in USD	318,043
Other Forward/Swap Contracts [Member] | GBP [Member] | Sell [Member]
Foreign Currency Amount	10,505
Notional Contract Value in USD	16,879
Other Forward/Swap Contracts [Member] | HUF [Member] | Sell [Member]
Foreign Currency Amount	7,385,500
Notional Contract Value in USD	38,926
Other Forward/Swap Contracts [Member] | JPY [Member] | Sell [Member]
Foreign Currency Amount	2,401,836
Notional Contract Value in USD	29,032
Other Forward/Swap Contracts [Member] | MXN [Member] | Sell [Member]
Foreign Currency Amount	278,100
Notional Contract Value in USD	23,317
Other Forward/Swap Contracts [Member] | SEK [Member] | Sell [Member]
Foreign Currency Amount	946,678
Notional Contract Value in USD	149,263
Other Forward/Swap Contracts [Member] | Other [Member] | Sell [Member]
Foreign Currency Amount
Notional Contract Value in USD	49,880
Cash Flow Hedges [Member] | CNY [Member] | Buy [Member]
Foreign Currency Amount	1,654,600
Notional Contract Value in USD	252,383
Cash Flow Hedges [Member] | EUR [Member] | Buy [Member]
Foreign Currency Amount	21,953
Notional Contract Value in USD	30,792
Cash Flow Hedges [Member] | HUF [Member] | Buy [Member]
Foreign Currency Amount	14,159,000
Notional Contract Value in USD	74,627
Cash Flow Hedges [Member] | ILS [Member] | Buy [Member]
Foreign Currency Amount	141,800
Notional Contract Value in USD	40,387
Cash Flow Hedges [Member] | MXN [Member] | Buy [Member]
Foreign Currency Amount	1,510,500
Notional Contract Value in USD	126,644
Cash Flow Hedges [Member] | MYR [Member] | Buy [Member]
Foreign Currency Amount	389,700
Notional Contract Value in USD	128,750
Cash Flow Hedges [Member] | SGD [Member] | Buy [Member]
Foreign Currency Amount	67,500
Notional Contract Value in USD	53,470
Cash Flow Hedges [Member] | Other [Member] | Buy [Member]
Foreign Currency Amount
Notional Contract Value in USD	74,517
Other Forward/Swap Contracts [Member] | CAD [Member] | Buy [Member]
Foreign Currency Amount	51,118
Notional Contract Value in USD	52,590
Other Forward/Swap Contracts [Member] | EUR [Member] | Buy [Member]
Foreign Currency Amount	153,312
Notional Contract Value in USD	215,730
Other Forward/Swap Contracts [Member] | GBP [Member] | Buy [Member]
Foreign Currency Amount	12,375
Notional Contract Value in USD	19,949
Other Forward/Swap Contracts [Member] | HKD [Member] | Buy [Member]
Foreign Currency Amount	215,222
Notional Contract Value in USD	27,645
Other Forward/Swap Contracts [Member] | HUF [Member] | Buy [Member]
Foreign Currency Amount	6,761,700
Notional Contract Value in USD	35,639
Other Forward/Swap Contracts [Member] | JPY [Member] | Buy [Member]
Foreign Currency Amount	4,707,868
Notional Contract Value in USD	56,736
Other Forward/Swap Contracts [Member] | MXN [Member] | Buy [Member]
Foreign Currency Amount	695,510
Notional Contract Value in USD	58,313
Other Forward/Swap Contracts [Member] | SEK [Member] | Buy [Member]
Foreign Currency Amount	2,033,746
Notional Contract Value in USD	320,674
Other Forward/Swap Contracts [Member] | Other [Member] | Buy [Member]
Foreign Currency Amount
Notional Contract Value in USD	98,466
Cash Flow Hedges [Member]
Foreign Currency Amount
Notional Contract Value in USD	809,656
Other Forward/Swap Contracts [Member]
Notional Contract Value in USD	$ 1,574,649