Operating Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Operating Statistics [Line Items]
External customer revenues	$ 490,367	$ 519,713	$ 1,438,700	$ 1,517,592
Operating income (loss)	(7,609)	51,863	94,707	152,148
Americas [Member]
Operating Statistics [Line Items]
External customer revenues	324,111	325,248	932,508	927,978
Affiliate revenues	9,114	9,919	29,136	33,462
Operating income (loss)	21,331	39,510	102,317	110,738
EMEA [Member]
Operating Statistics [Line Items]
External customer revenues	83,327	103,713	270,857	322,901
Affiliate revenues	32,590	30,795	90,038	80,943
Operating income (loss)	5,224	21,452	43,728	55,206
Asia Pacific [Member]
Operating Statistics [Line Items]
External customer revenues	82,929	90,752	235,335	266,713
Affiliate revenues	798	159	2,804	658
Operating income (loss)	(16,641)	6,934	(2,573)	22,339
Operating Segments
Operating Statistics [Line Items]
External customer revenues	490,367	519,713	1,438,700	1,517,592
Affiliate revenues	42,502	40,873	121,978	115,063
Reportable Segment [Member]
Operating Statistics [Line Items]
Operating income (loss)	$ 9,914	$ 67,896	$ 143,472	$ 188,283