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Acquisitions - Additional Information (Detail)
$ / shares in Units, ¥ in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Oct. 01, 2014
USD ($)
¥ / $
Oct. 01, 2014
JPY (¥)
Nov. 07, 2013
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
Jun. 27, 2015
USD ($)
Jun. 28, 2014
USD ($)
Jun. 29, 2013
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Mar. 31, 2015
JPY (¥)
Business Acquisition [Line Items]                    
Shares issued to former Validity shareholders, Value         $ 21.5 $ 75.8        
Additional purchase consideration settled                 $ 48.6 ¥ 5,780
Decrease in intangible assets         (9.7)          
Decrease in deferred tax liabilities         (2.8)          
Increase in current deferred tax assets         9.0          
Decrease in goodwill         (8.2)          
Net revenue         $ 1,703.0 $ 947.5 $ 663.6      
Validity Sensors, Inc [Member]                    
Business Acquisition [Line Items]                    
Acquired outstanding common and preferred shares and voting interest of Validity     100.00%              
Fair value of the consideration transferred totaled     $ 127.8              
Shares issued to former Validity shareholders, Shares | shares     1,577,559              
Shares issued to former Validity shareholders, Value     $ 70.3              
Closing price of common stock | $ / shares     $ 44.55              
Initial contingent consideration     $ 16.3              
Number of shares to be delivered | shares     338,427              
Transaction reference price | $ / shares     $ 48.278              
Initial purchase price of acquisition     $ 20.0              
Validity Sensors, Inc [Member] | Subsequent Event [Member]                    
Business Acquisition [Line Items]                    
Additional consideration to shareholders               $ 112.0    
Renesas SP Drivers, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquired outstanding common and preferred shares and voting interest of Validity 100.00%                  
Fair value of the consideration transferred totaled $ 468.0                  
Acquisition closing effective date         Oct. 01, 2014          
Initial purchase price of acquisition $ 463.0 ¥ 50,600                
Foreign currency exchange rate (Japanese yen to U.S. dollar) | ¥ / $ 109.4                  
Indemnification hold back $ 66.0 7,250                
Working capital hold back 48.0 ¥ 5,250                
Additional purchase price consideration 4.8                  
Inventory purchase obligation settled       $ 115.0            
Acquired intangible assets 240.9                  
Net revenue         $ 715.5          
Renesas SP Drivers, Inc. [Member] | Developed Technology [Member]                    
Business Acquisition [Line Items]                    
Acquired intangible assets 143.6                  
Finite lived intangible assets weighted average useful life         5 years          
Renesas SP Drivers, Inc. [Member] | Customer Relationships [Member]                    
Business Acquisition [Line Items]                    
Acquired intangible assets 44.6                  
Renesas SP Drivers, Inc. [Member] | Supplier Arrangement [Member]                    
Business Acquisition [Line Items]                    
Acquired intangible assets 22.0                  
Renesas SP Drivers, Inc. [Member] | Backlog [Member]                    
Business Acquisition [Line Items]                    
Acquired intangible assets 10.3                  
Renesas SP Drivers, Inc. [Member] | In-Process Research and Development [Member]                    
Business Acquisition [Line Items]                    
Acquired intangible assets $ 20.4                  
Renesas SP Drivers, Inc. [Member] | Minimum [Member]                    
Business Acquisition [Line Items]                    
Identified intangible assets included discount rates         9.00%          
Renesas SP Drivers, Inc. [Member] | Minimum [Member] | Customer Relationships [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         2 years          
Renesas SP Drivers, Inc. [Member] | Minimum [Member] | Supplier Arrangement [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         1 year          
Renesas SP Drivers, Inc. [Member] | Maximum [Member]                    
Business Acquisition [Line Items]                    
Identified intangible assets included discount rates         14.00%          
Renesas SP Drivers, Inc. [Member] | Maximum [Member] | Customer Relationships [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         3 years          
Renesas SP Drivers, Inc. [Member] | Maximum [Member] | Supplier Arrangement [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         2 years          
Renesas SP Drivers, Inc. [Member] | Maximum [Member] | Backlog [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         1 year          
Renesas SP Drivers, Inc. [Member] | Maximum [Member] | In-Process Research and Development [Member]                    
Business Acquisition [Line Items]                    
Finite lived intangible assets weighted average useful life         7 years