Summary of Significant Accounting Policies and Significant Judgments and Estimates - Share-Based Compensation Costs (Detail) (USD $)	3 Months Ended
	Dec. 29, 2012	Dec. 24, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation expense before taxes	$ 44,915	$ 48,068
Cost of sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation expense before taxes	4,074	4,063
Selling, general and administrative expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation expense before taxes	11,967	13,927
Product development expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation expense before taxes	$ 28,874	$ 30,078