Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Dec. 31, 2011 Interest Rate Swap	Dec. 31, 2011 Interest Rate Swap Cash Flow Hedges	Sep. 29, 2013 Spain Italy Portugal And Greece	Sep. 30, 2012 Spain Italy Portugal And Greece
Derivatives, Fair Value [Line Items]
Amount in accumulated other comprehensive income, reclassified as expense	$ 400,000		$ 400,000
Interest rate swap, notional amount designated as a hedge						350,000,000
Interest rate swap, pre tax value					11,700,000
Net revenues to customers	$ 413,796,000	$ 368,054,000	$ 1,245,732,000	$ 1,131,953,000			$ 106,300,000	$ 101,400,000