v2.4.0.8
Comprehensive Income (Schedule of Reclassifications of Recognized Transactions out of AOCI) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other Nonoperating Income (Expense) $ (1,091) $ 2,143 $ (1,078) $ 2,269
Income Tax Expense (Benefit) 1,334 (11,400) (15,748) (23,157)
Net income attributable to Microchip Technology 93,641 99,806 183,550 178,385
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
       
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other Nonoperating Income (Expense) 62 2,116 96 2,166
Income Tax Expense (Benefit) 0 (776) (12) (776)
Net income attributable to Microchip Technology $ 62 $ 1,340 $ 84 $ 1,390