Business Segment Information (Schedule Of Segment Results) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 01, 2012		Jun. 26, 2011		Jul. 01, 2012		Jun. 26, 2011		Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment net revenues from external customers	$ 383,332		$ 381,168		$ 763,899		$ 726,749
Segment depreciation and amortization	22,779		24,403		45,448		48,343
Segment operating profit	64,711	[1]	59,058	[1]	125,136	[1]	108,364	[1]
Segment assets	3,606,822		3,878,232		3,606,822		3,878,232		3,924,103
Segment expenditures for property, plant and equipment	15,563		9,292		28,893		15,132
Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment assets	2,825,906		3,221,280		2,825,906		3,221,280
Segment expenditures for property, plant and equipment	14,802		9,202		24,544		14,978
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment net revenues from external customers	160,357		156,516		327,665		309,240
Segment depreciation and amortization	14,963		15,968		29,813		31,924
Segment operating profit	21,463	[1]	17,329	[1]	44,066	[1]	37,458	[1]
Intersegment revenues	35,738		39,783		75,302		74,008
North America [Member] | Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment assets	1,788,813		2,035,206		1,788,813		2,035,206
Segment expenditures for property, plant and equipment	7,602		5,119		11,441		8,540
EMEA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment net revenues from external customers	126,898		137,761		261,498		263,211
Segment depreciation and amortization	5,346		6,034		10,847		11,660
Segment operating profit	19,921	[1]	18,268	[1]	41,388	[1]	35,060	[1]
Intersegment revenues	17,533		17,452		35,099		31,511
EMEA [Member] | Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment assets	746,878		854,504		746,878		854,504
Segment expenditures for property, plant and equipment	3,677		2,570		6,372		3,984
AJLA [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment net revenues from external customers	60,097		54,693		107,085		96,726
Segment depreciation and amortization	1,411		1,444		2,824		2,925
Segment operating profit	15,060	[1]	17,286	[1]	26,215	[1]	27,033	[1]
Intersegment revenues	138		82		386		165
AJLA [Member] | Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment assets	252,534		248,330		252,534		248,330
Segment expenditures for property, plant and equipment	231		338		238		387
OEM [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment net revenues from external customers	35,980		32,198		67,651		57,572
Segment depreciation and amortization	1,059		957		1,964		1,834
Segment operating profit	8,267	[1]	6,175	[1]	13,467	[1]	8,813	[1]
Intersegment revenues	150		104		288		233
OEM [Member] | Segment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment assets	37,681		83,240		37,681		83,240
Segment expenditures for property, plant and equipment	$ 3,292		$ 1,175		$ 6,493		$ 2,067

[1] Segment operating profit includes a segment's net revenues from external customers reduced by its cost of goods sold, selling, general and administrative expenses, and an allocation of corporate expenses. Segment operating profit excludes goodwill impairment charges, restructuring and impairment charges, gain on sales of business and assets, interest income and expense, loss on extinguishment of debt and taxes on income.