Condensed Consolidated Guarantor Financial Information (Schedule Of Condensed Consolidating Balance Sheets) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 25, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 634,829	$ 584,088	$ 371,699	$ 208,452
Accounts receivable, net	266,947	286,226
Inventories, net	295,611	298,775
Prepaid expenses and other current assets	23,361	33,405
Prepaid taxes	34,745	28,846
Deferred tax assets	29,700	41,014
Assets held for sale	7,861	7,902
Total current assets	1,293,054	1,280,256
Property, plant and equipment, net	267,392	251,912
Goodwill	1,113,940	1,438,542
Intangibles assets, net	930,916	879,787
Investments in affiliates	1,771	2,008
Deferred tax assets	293	278
Other assets	63,423	71,320
Total assets	3,670,789	3,924,103	3,868,711
Current liabilities
Current borrowings	4,700	4,986
Accounts payable	63,703	67,092
Accrued expenses	63,115	74,207
Current portion of contingent consideration	21,592	3,953
Payroll and benefit-related liabilities	67,606	64,386
Derivative liabilities	957	633
Accrued interest	9,772	10,960
Income taxes payable	11,980	21,084
Current liability for uncertain tax positions	4,201	22,656
Deferred tax liabilities	1,051	1,050
Total current liabilities	248,677	271,007
Long-term borrowings	962,596	954,809
Deferred tax liabilities	393,192	420,833
Pension and other postretirement benefit liabilities	178,764	194,984
Noncurrent liability for uncertain tax positions	63,491	61,688
Other liabilities	68,670	37,999
Total liabilities	1,915,390	1,941,320
Total common shareholders' equity	1,752,956	1,980,588
Noncontrolling interest	2,443	2,195
Total equity	1,755,399	1,982,783	1,936,997	1,787,278
Total liabilities and equity	3,670,789	3,924,103
Parent Company [Member]
Current assets
Cash and cash equivalents	123,254	114,531	151,990	22,632
Accounts receivable, net	335	269
Prepaid expenses and other current assets	4,896	7,203
Prepaid taxes	20,949	24,006
Deferred tax assets	3,642	8,659
Total current assets	153,076	154,668
Property, plant and equipment, net	7,146	8,208
Investments in affiliates	5,127,455	5,244,275
Deferred tax assets	71,933	65,400
Other assets	34,557	42,183
Total assets	5,394,167	5,514,734
Current liabilities
Accounts payable	79,776	101,907
Accrued expenses	15,582	23,208
Payroll and benefit-related liabilities	31,790	24,031
Derivative liabilities	957	633
Accrued interest	9,768	10,948
Total current liabilities	137,873	160,727
Long-term borrowings	962,596	954,809
Pension and other postretirement benefit liabilities	130,096	145,533
Noncurrent liability for uncertain tax positions	14,469	12,678
Other liabilities	2,396,177	2,260,399
Total liabilities	3,641,211	3,534,146
Total common shareholders' equity	1,752,956	1,980,588
Total equity	1,752,956	1,980,588
Total liabilities and equity	5,394,167	5,514,734
Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents			1,216
Accounts receivable, net	755,506	304,813
Inventories, net	188,158	201,147
Prepaid expenses and other current assets	3,425	3,675
Deferred tax assets	19,697	26,886
Assets held for sale	2,738	2,738
Total current assets	969,524	539,259
Property, plant and equipment, net	159,313	149,300
Goodwill	670,358	1,001,353
Intangibles assets, net	764,153	711,962
Investments in affiliates	1,253,393	922,208
Other assets	2,656,306	2,534,124
Total assets	6,473,047	5,858,206
Current liabilities
Accounts payable	839,834	387,612
Accrued expenses	16,507	21,454
Current portion of contingent consideration	20,171	3,953
Payroll and benefit-related liabilities	9,651	13,867
Total current liabilities	886,163	426,886
Deferred tax liabilities	411,849	433,078
Pension and other postretirement benefit liabilities	33,826	34,034
Noncurrent liability for uncertain tax positions	18,679	18,437
Other liabilities	37,317	5,583
Total liabilities	1,387,834	918,018
Total common shareholders' equity	5,085,213	4,940,188
Total equity	5,085,213	4,940,188
Total liabilities and equity	6,473,047	5,858,206
Non-Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	511,575	469,557	218,493	185,820
Accounts receivable, net	386,375	464,834
Inventories, net	121,247	107,188
Prepaid expenses and other current assets	15,040	22,527
Prepaid taxes	13,794	4,869
Deferred tax assets	6,361	5,883
Assets held for sale	5,123	5,164
Total current assets	1,059,515	1,080,022
Property, plant and equipment, net	100,933	94,404
Goodwill	443,582	437,189
Intangibles assets, net	166,763	167,825
Investments in affiliates	20,234	20,327
Deferred tax assets	2,405	2,387
Other assets	679,530	164,662
Total assets	2,472,962	1,966,816
Current liabilities
Current borrowings	4,700	4,986
Accounts payable	22,255	64,694
Accrued expenses	31,026	29,545
Current portion of contingent consideration	1,421
Payroll and benefit-related liabilities	26,165	26,488
Accrued interest	4	12
Income taxes payable	11,980	21,113
Current liability for uncertain tax positions	4,201	22,656
Deferred tax liabilities	1,051	1,465
Total current liabilities	102,803	170,959
Deferred tax liabilities	55,388	55,264
Pension and other postretirement benefit liabilities	14,842	15,417
Noncurrent liability for uncertain tax positions	30,343	30,573
Other liabilities	945,946	443,875
Total liabilities	1,149,322	716,088
Total common shareholders' equity	1,321,197	1,248,533
Noncontrolling interest	2,443	2,195
Total equity	1,323,640	1,250,728
Total liabilities and equity	2,472,962	1,966,816
Eliminations [Member]
Current assets
Accounts receivable, net	(875,269)	(483,690)
Inventories, net	(13,794)	(9,560)
Prepaid taxes	2	(29)
Deferred tax assets		(414)
Total current assets	(889,061)	(493,693)
Investments in affiliates	(6,399,311)	(6,184,802)
Deferred tax assets	(74,045)	(67,509)
Other assets	(3,306,970)	(2,669,649)
Total assets	(10,669,387)	(9,415,653)
Current liabilities
Accounts payable	(878,162)	(487,121)
Income taxes payable		(29)
Deferred tax liabilities		(415)
Total current liabilities	(878,162)	(487,565)
Deferred tax liabilities	(74,045)	(67,509)
Other liabilities	(3,310,770)	(2,671,858)
Total liabilities	(4,262,977)	(3,226,932)
Total common shareholders' equity	(6,406,410)	(6,188,721)
Total equity	(6,406,410)	(6,188,721)
Total liabilities and equity	$ (10,669,387)	$ (9,415,653)