Strategic Arrangement - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 27, 2013
Strategic Alliance And Collaboration [Line Items]
Fixed fee committed	$ 10
License fee committed	20
Strategic Global Partnership
Strategic Alliance And Collaboration [Line Items]
Accrual of fixed fees during the period	2
Siemens Ag | Strategic Global Partnership
Strategic Alliance And Collaboration [Line Items]
Amount payable related to product development milestones	0
Commissions expense incurred	0.2
Commissions income recognized	$ 0.3