v2.4.0.8
Business Acquisitions Schedule of Preliminary Allocation of Purchase Price (Details) (USD $)
 3 Months Ended
Sep. 30, 2014
Mar. 31, 2014
Jul. 17, 2014
ISSC Technologies Corporation [Member]
Sep. 30, 2014
Supertex Inc.
Jun. 30, 2014
Supertex Inc.
Business Acquisition [Line Items]          
Cash and cash equivalents     $ 15,120,000 $ 14,790,000 $ 14,790,000
Short-term investments     27,063,000 140,984,000 140,984,000
Accounts receivable, net     8,792,000 7,047,000 7,047,000
Inventories     19,160,000 27,630,000 27,630,000
Prepaid expenses and other current assets     2,501,000    
Prepaid expenses       1,493,000 1,493,000
Deferred tax assets       3,997,000 3,997,000
Other current assets       16,113,000 16,113,000
Property, plant and equipment, net     2,637,000 15,679,000 15,679,000
Goodwill 557,965,000 276,097,000 152,243,000 132,508,000 133,713,000
Purchased intangible assets     147,800,000 89,600,000 89,600,000
Other assets     1,370,000 325,000 325,000
Total assets acquired     376,686,000 450,166,000 451,371,000
Accounts payable     (9,860,000) (8,481,000) (8,481,000)
Other current liabilities     (16,997,000)    
Accrued liabilities       (19,370,000) (19,345,000)
Long-term income tax payable     (4,402,000) (3,796,000) (3,796,000)
Deferred tax liability     (25,126,000) (26,742,000) (27,972,000)
Other long-term liabilities     (245,000)    
Total liabilities assumed     (56,630,000) (58,389,000) (59,594,000)
Net assets acquired     320,056,000 391,777,000 391,777,000
Less: noncontrolling interest     (52,467,000)    
Net assets acquired     267,589,000    
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]          
Goodwill       (1,205,000)  
Total assets acquired       (1,205,000)  
Accrued liabilities       (25,000)  
Deferred tax liability       1,230,000  
Total liabilities assumed       $ (1,205,000)