Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			12 Months Ended		12 Months Ended	1 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2011 Cliffstar [Member]	Aug. 17, 2010 Cliffstar [Member]	Dec. 31, 2011 Cliffstar [Member] Pending Arbitration [Member]	Feb. 28, 2013 Cliffstar [Member] Arbitration Outcome [Member]
Operating Leased Assets [Line Items]
Acquisition, contingent consideration payable upon achievement of milestones				$ 15.0
Acquisition, contingent consideration				55.0
Interim payments to the seller			29.6
Refund for seller's objections to contingent consideration			4.7
Settlement of seller's objections to contingent consideration			0.9
Additional contingent consideration sought for business acquisition					12.1
Consideration payment						0.6
Standby letters of credit outstanding	$ 7.5	$ 11.0