|
Geographic and Segment Information (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Segment Reporting Information [Line Items] | |||||||||||
| Segment Net Sales | $ 430,144 | $ 416,047 | $ 383,298 | $ 352,134 | $ 338,911 | $ 329,156 | $ 340,602 | $ 374,507 | $ 1,581,623 | $ 1,383,176 | $ 1,487,205 |
| Segment Gross Profit | 239,039 | 200,428 | 194,195 | 204,797 | 195,646 | 185,488 | 196,703 | 221,457 | 838,459 | 799,294 | 881,251 |
|
Semiconductor products [Member]
|
|||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Segment Net Sales | 1,497,820 | 1,296,175 | 1,415,137 | ||||||||
| Segment Gross Profit | 754,656 | 712,798 | 809,183 | ||||||||
|
Technology licensing [Member]
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| Segment Reporting Information [Line Items] | |||||||||||
| Segment Net Sales | 83,803 | 87,001 | 72,068 | ||||||||
| Segment Gross Profit | $ 83,803 | $ 86,496 | $ 72,068 | ||||||||