Share Repurchase - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended
	May 31, 2008	May 31, 2007	Sep. 28, 2013	Sep. 29, 2012
Disclosure Share Repurchase Additional Information [Abstract]
Stock repurchase program, authorized amount	$ 175,000	$ 100,000	$ 175,000
Stock repurchase program, shares repurchased (in shares)			40,219	0
Stock repurchase program, remaining authorized repurchase amount			55,654
Stock repurchase program, repurchased amount			$ 2,183