Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 26, 2015	Jun. 27, 2015	Sep. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of total debt	$ 2,900,000
Recurring Fair Value Measurements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	164,639	$ 4,741,424	$ 143,416
Restricted cash		168,274	165,437
Total assets at fair value	172,858	4,922,295	309,117
Long-term debt	506,713	503,379	0
Current portion of long-term debt		1,257,127
Total liabilities at fair value	506,713	1,760,506	3,496
Recurring Fair Value Measurements | Other assets | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement	8,219	12,597	264
Recurring Fair Value Measurements | Accrued expenses | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement			3,496
Recurring Fair Value Measurements | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	102,508	4,677,735	0
Restricted cash		168,274	165,437
Total assets at fair value	102,508	4,846,009	165,437
Long-term debt	0	0	0
Current portion of long-term debt		0
Total liabilities at fair value	0	0	0
Recurring Fair Value Measurements | Level 1 | Other assets | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement	0	0	0
Recurring Fair Value Measurements | Level 1 | Accrued expenses | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement			0
Recurring Fair Value Measurements | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	62,131	63,689	143,416
Restricted cash		0	0
Total assets at fair value	70,350	76,286	143,680
Long-term debt	506,713	503,379	499,110
Current portion of long-term debt		1,257,127
Total liabilities at fair value	506,713	1,760,506	502,606
Recurring Fair Value Measurements | Level 2 | Other assets | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement	8,219	12,597	264
Recurring Fair Value Measurements | Level 2 | Accrued expenses | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement			3,496
Recurring Fair Value Measurements | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0	0
Restricted cash		0	0
Total assets at fair value	0	0	0
Long-term debt	0	0	0
Current portion of long-term debt		0
Total liabilities at fair value	0	0	0
Recurring Fair Value Measurements | Level 3 | Other assets | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement	0	0	0
Recurring Fair Value Measurements | Level 3 | Accrued expenses | Interest rate swap agreements:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement			0
Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total debt	2,600,000	5,600,000	2,800,000
Carrying value of total debt	$ 2,400,000	$ 5,400,000	$ 2,500,000