Operating Segments and Geographic Information - Operating Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Statistics [Line Items]
External customer revenues	$ 477,687	$ 465,234	$ 458,218	$ 439,600	$ 441,320	$ 491,811	$ 510,832	$ 438,224	$ 1,840,739	$ 1,882,187	$ 1,543,386
Depreciation and amortization									(59,355)	(50,174)	(55,279)
Operating income	31,603	(13,269)	53,037	37,126	28,545	46,127	53,393	37,141	108,497	165,206	116,639
Total assets	2,584,583				1,788,120				2,584,583	1,788,120	1,696,484
Acquisition of property, plant and equipment									41,010	40,053	28,194
Operating Segments [Member]
Operating Statistics [Line Items]
External customer revenues									1,840,739	1,882,187	1,543,386
Affiliate revenues									153,803	145,360	116,151
Total revenues									1,994,542	2,027,547	1,659,537
Depreciation and amortization									(57,887)	(48,113)	(46,915)
Asset impairment									(33,676)	(2,549)	(16,574)
Operating income									177,420	219,304	150,790
Total assets	2,288,951				1,399,167				2,288,951	1,399,167	1,273,834
Acquisition of property, plant and equipment									39,879	28,450	22,641
Americas [Member] | Operating Segments [Member]
Operating Statistics [Line Items]
External customer revenues									1,185,846	1,130,616	872,788
Affiliate revenues									28,612	29,534	40,538
Total revenues									1,214,458	1,160,150	913,326
Depreciation and amortization									(39,003)	(23,820)	(21,722)
Asset impairment									(2,002)	(1,479)	(7,095)
Operating income									111,982	124,483	79,054
Total assets	1,708,637				624,341				1,708,637	624,341	572,086
Acquisition of property, plant and equipment									22,176	16,175	11,989
EMEA [Member] | Operating Segments [Member]
Operating Statistics [Line Items]
External customer revenues									342,473	401,777	355,123
Affiliate revenues									121,973	114,648	75,551
Total revenues									464,446	516,425	430,674
Depreciation and amortization									(12,370)	(14,909)	(15,565)
Asset impairment									(4,749)	(790)	(8,141)
Operating income									60,979	70,007	42,823
Total assets	356,684				473,983				356,684	473,983	416,317
Acquisition of property, plant and equipment									13,872	9,404	8,192
Asia Pacific [Member] | Operating Segments [Member]
Operating Statistics [Line Items]
External customer revenues									312,420	349,794	315,475
Affiliate revenues									3,218	1,178	62
Total revenues									315,638	350,972	315,537
Depreciation and amortization									(6,514)	(9,384)	(9,628)
Asset impairment									(26,925)	(280)	(1,338)
Operating income									4,459	24,814	28,913
Total assets	223,630				300,843				223,630	300,843	285,431
Acquisition of property, plant and equipment									$ 3,831	$ 2,871	$ 2,460