Schedule of Amortized Cost and Fair Value of Cash Equivalents, Short-Term Investments, and Restricted Cash and Investments with Contractual Maturities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2014	Jun. 30, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Due in one year or less, Cost	$ 1,316,589
Due in one year or less, Estimated Fair Value	1,317,140
Due after one year through five years, Cost	1,035,559
Due after one year through five years, Estimated Fair Value	1,036,852
Due in more than five years, Cost	290,039
Due in more than five years, Estimated Fair Value	289,412
Cost	2,642,187
Estimated Fair Value	1,462,171	1,334,746
Total Short Term Investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Estimated Fair Value	$ 2,643,404