Taxes - Reconciliation of United States Federal Statutory Corporate Tax Rate To Company's Effective Tax Rate Or Income Tax Provision (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Line Items]
Income tax at federal statutory rate	35.00%	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	1.00%	1.00%	1.00%	1.00%
Foreign tax rate differential	(15.00%)	(13.00%)	(15.00%)	(13.00%)
Discrete tax events	(2.00%)	(2.00%)	(1.00%)	(1.00%)
Income tax provision	19.00%	21.00%	20.00%	22.00%