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Venture Capital Investments and Marketable Securities - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
May. 04, 2016
Mar. 26, 2016
Mar. 28, 2015
Schedule of Equity Method Investments [Line Items]      
Committed contribution   $ 65,000,000  
Committed contributions funded   31,000,000  
Dividends in cash and securities received   $ 0 $ 0
Minimum      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage   3.60%  
Maximum      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage   12.00%  
Subsequent Event      
Schedule of Equity Method Investments [Line Items]      
Additional committed contributions $ 10,600,000