Long-Term Borrowings - Summary of Long-Term Borrowings (Details) - USD ($) $ in Thousands	Sep. 26, 2015	Sep. 27, 2014
Debt Instrument [Line Items]
Long-term borrowings	$ 1,241,107	$ 1,242,685
7.375% Senior Notes due March 15, 2020 [Member]
Debt Instrument [Line Items]
Long-term borrowings		248,817
7.375% Senior Notes due August 1, 2021 [Member]
Debt Instrument [Line Items]
Long-term borrowings	366,107	368,868
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
Revolving Credit Facility Due January 5, 2017 [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 100,000	$ 100,000