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Subsequent Events - Additional Information (Detail)
3 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended
Sep. 30, 2014
USD ($)
Sep. 30, 2014
Revolving Credit Facility [Member]
USD ($)
Sep. 30, 2014
Term Loan [Member]
USD ($)
Sep. 30, 2014
Customer Relationships [Member]
Sep. 30, 2014
Maximum [Member]
Backlog [Member]
Sep. 30, 2014
Letter of Credit [Member]
USD ($)
Sep. 30, 2014
Swingline Loan [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Subsequent Event [Member]
JPY (¥)
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Subsequent Event [Member]
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Developed Technology [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Customer Relationships [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Inventory [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
In-process Research and Development [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Backlog [Member]
Subsequent Event [Member]
USD ($)
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Minimum [Member]
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Minimum [Member]
Developed Technology [Member]
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Minimum [Member]
Customer Relationships [Member]
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Maximum [Member]
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Maximum [Member]
Developed Technology [Member]
Sep. 30, 2014
Renesas SP Drivers Inc [Member]
Maximum [Member]
Customer Relationships [Member]
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Renesas Electronics Corporation [Member]
Subsequent Event [Member]
USD ($)
Oct. 01, 2014
Renesas SP Drivers Inc [Member]
Renesas Electronics Corporation [Member]
Subsequent Event [Member]
JPY (¥)
Subsequent Event [Line Items]                                                
Acquisition closing effective date                   Oct. 01, 2014                            
Purchase price of acquisition               $ 463,000,000 ¥ 50,600,000,000                              
Foreign currency exchange rate                     109.4                          
Cash paid on purchase price               66,000,000 7,250,000,000                              
Post closing working capital               48,000,000 5,250,000,000                              
Outstanding capital stock                     100.00%                          
Closing date inventory, Amount                     4,542,000                       115,000,000 12,530,000,000
Line of credit facility amount   150,000,000 150,000,000     20,000,000 20,000,000                                  
Increase in Line of credit facility   100,000,000                                            
Amount borrowed under revolving credit facility   100,000,000 150,000,000                                          
Debt issuance cost 5,000,000                                              
Percentage of voting capital stock 65.00%                                              
Operating covenant description Under the Credit Agreement, there are restrictive operating covenants, including three financial covenants which limit; the consolidated total leverage ratio, or leverage ratio; the consolidated interest coverage ratio, or interest coverage ratio; and places a restriction on the amount of capital expenditures that may be made in any fiscal year. The leverage ratio is the ratio of debt as of the measurement date to earnings before interest, taxes, depreciation and amortization, or EBITDA, for the four consecutive quarters ending with the quarter of measurement. The leverage ratio must not exceed 2.50 to 1.0 during the first two years of the agreement, and 2.0 to 1.0 during the last three years of the agreement. The interest coverage ratio is EBITDA to interest expense for the four consecutive quarters ending with the quarter of measurement. The interest coverage ratio must not be less than 3.50 to 1.0 during the term of the agreement.                                              
Intangible assets acquired                     $ 289,000,000 $ 147,000,000 $ 68,000,000 $ 29,000,000 $ 26,000,000 $ 19,000,000                
Finite lived intangible assets useful life       5 years 1 year                         4 years 1 year   6 years 3 years    
Identified intangible assets included discount rates                                 9.00%     13.00%