Noncontrolling interests (Tables)

12 Months Ended

Mar. 31, 2015

Noncontrolling Interest Disclosure [Table Text Block]

The following table presents the changes in the components of noncontrolling interests for the year ended March 31, 2015 (amounts in thousands):



	Noncontrolling Interests
Balance at April 1, 2014	$	—
Additions due to acquisition of controlling interest in ISSC	52,467
Net loss attributable to noncontrolling interests	(3,684		)
Other comprehensive loss attributable to noncontrolling interests	(866		)
Purchase of additional interests	(31,849		)
Other	304
Balance at March 31, 2015	$	16,372

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block]

The following table presents the effect of changes in the Company's ownership interest in ISSC on the Company's stockholders' equity for the year ended March 31, 2015 (amounts in thousands):



	Year ended March 31,
	2015
Net income attributable to Microchip Technology stockholders	$	369,009
Increase in paid-in capital for purchase of additional interests	345
Increase in paid-in capital for converted stock options	1,094
Transfers from noncontrolling interests	1,439
Change from net income attributable to Microchip Technology stockholders and transfers from noncontrolling interests	$	370,448