Business Acquisitions (Tables)

12 Months Ended

Mar. 31, 2014

Business Combinations [Abstract]

Schedule of Purchase Price Allocation [Table Text Block]

The table below represents the allocation of the purchase price, including adjustments to the purchase price allocation from the originally reported figures at March 31, 2013, to the net assets acquired based on their estimated fair values as of August 2, 2012. The purchase price allocation was finalized as of August 2, 2013. All adjustments shown in the table below were recorded during the three months ended June 30, 2013 (amounts in thousands):

Assets acquired	Previously Reported March 31, 2013			Adjustments			March 31, 2014
Cash and cash equivalents	$	180,925		$	—		$	180,925
Accounts receivable, net	58,441			—			58,441
Inventories	86,244			—			86,244
Prepaid expenses	5,617			—			5,617
Deferred tax assets	15,843			—			15,843
Other current assets	17,578			—			17,578
Property, plant and equipment, net	35,608			—			35,608
Long-term investments	24,275			—			24,275
Goodwill	169,065			(3,473		)	165,592
Intangible assets, net	10,214			—			10,214
Purchased intangible assets	517,800			—			517,800
Other assets	3,835			—			3,835
Total assets acquired	1,125,445			(3,473		)	1,121,972
Liabilities assumed
Accounts payable	(28,035		)	—			(28,035		)
Accrued liabilities	(62,038		)	(209		)	(62,247		)
Deferred income on shipments to distributors	(11,376		)	—			(11,376		)
Long-term income tax payable	(72,781		)	—			(72,781		)
Deferred tax liability	(21,079		)	4,397			(16,682		)
Other liabilities	(10,535		)	(715		)	(11,250		)
Total liabilities assumed	(205,844		)	3,473			(202,371		)
Purchase price allocated	$	919,601		$	—		$	919,601