Note 11 - Segment and Geographic Information (Tables)

9 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 31,				December 31,
Sales Revenue:	2017		2018		2017		2018
Ceramic Components	$	60,136	$	120,561	$	168,512	$	302,075
Tantalum Components		90,517		95,167		273,457		301,901
Advanced Components		155,914		110,344		486,384		373,537
Total Electronic Components		306,567		326,072		928,353		977,513
Interconnect, Sensing and Control Devices		125,228		116,323		187,489		375,326
Total Revenue	$	431,795	$	442,395	$	1,115,842	$	1,352,839

	Three Months Ended						Nine Months Ended
	December 31,						December 31,
	2017			2018			2017			2018
Operating profit (loss):
Electronic Components	$	54,880		$	115,787		$	165,675		$	306,332
Interconnect, Sensing and Control Devices		6,637			1,883			13,281			1,416
Corporate activities		(16,186	)		(28,114	)		(46,408	)		(64,537	)
Total	$	45,331		$	89,556		$	132,548		$	243,211

	As of		As of
	March 31, 2018		December 31, 2018
Assets:
Electronic Components	$	632,014	$	723,804
Interconnect, Sensing and Control Devices		241,959		250,798
Cash, A/R, and investments in securities		1,111,716		1,103,886
Goodwill - Electronic Components		278,247		281,806
Goodwill - Interconnect, Sensing and Control Devices		38,051		35,870
Corporate activities		370,779		373,366
Total	$	2,672,766	$	2,769,530

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2017		2018		2017		2018
Net sales:
Americas	$	96,508	$	121,086	$	299,287	$	361,657
Europe		183,523		176,058		379,088		558,466
Asia		151,764		145,251		437,467		432,716
Total	$	431,795	$	442,395	$	1,115,842	$	1,352,839