CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 26, 2014	Sep. 27, 2013
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 20,317	$ 14,735
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, issued
Preferred stock, outstanding
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	189,000,000	189,000,000
Common stock, shares issued	100,942,000	106,491,000
Common stock, shares outstanding	100,942,000	106,491,000