Long-Term Borrowings - Summary of Long-Term Borrowings (Details) - USD ($) $ in Thousands	Jun. 25, 2016	Sep. 26, 2015
Debt Instrument [Line Items]
Long-term borrowings	$ 1,238,925	$ 1,241,107
7.375% Senior Notes due August 1, 2021 [Member]
Debt Instrument [Line Items]
Long-term borrowings	363,925	366,107
5.5% Senior Notes due June 1, 2024 [Member]
Debt Instrument [Line Items]
Long-term borrowings	525,000	525,000
5.75% Senior Notes due March 1, 2025 [Member]
Debt Instrument [Line Items]
Long-term borrowings	250,000	250,000
Revolving Credit Facility due March 3, 2021 [Member]
Debt Instrument [Line Items]
Long-term borrowings	100,000	0
Revolving Credit Facility due January 5, 2017 [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 0	$ 100,000