Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 28, 2014	Dec. 29, 2013	Sep. 28, 2014
Earnings Per Share [Line Items]
Numerator - net income	$ 123,602us-gaap_NetIncomeLoss	$ 104,751us-gaap_NetIncomeLoss	$ 253,061us-gaap_NetIncomeLoss	$ 212,619us-gaap_NetIncomeLoss
Denominator for basic earnings per share- weighted average shares	244,033,000	239,206,000	244,067,000	238,857,000
Effect of dilutive securities – employee stock options	558,000	1,147,000	607,000	1,143,000
Effect of dilutive securities- convertible senior notes		317,000
Denominator for diluted earnings per share	244,591,000	240,670,000	244,674,000	240,000,000
Basic earnings per share	$ 0.51us-gaap_EarningsPerShareBasic	$ 0.44us-gaap_EarningsPerShareBasic	$ 1.04us-gaap_EarningsPerShareBasic	$ 0.89us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 0.51us-gaap_EarningsPerShareDiluted	$ 0.44us-gaap_EarningsPerShareDiluted	$ 1.03us-gaap_EarningsPerShareDiluted	$ 0.89us-gaap_EarningsPerShareDiluted
Antidilutive securities excluded from computation of earnings per share		600,000		1,500,000
Out-Of-The-Money Stock Options [Member]
Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0				0
Conversion Premium, Senior Notes [Member]
Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	0		0

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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