Condensed Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jul. 01, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 281,418	$ 337,039	$ 544,991	$ 584,088
Accounts receivable, net	311,881	297,976
Inventories, net	348,608	323,347
Prepaid expenses and other current assets	27,770	28,712
Prepaid taxes	33,123	27,160
Deferred tax assets	45,971	46,882
Assets held for sale	7,935	7,963
Total current assets	1,056,706	1,069,079
Property, plant and equipment, net	311,464	297,945
Goodwill	1,240,592	1,249,456
Intangibles assets, net	1,052,845	1,058,792
Investments in affiliates	1,890	2,066
Deferred tax assets	86	296
Other assets	60,554	61,863
Total assets	3,724,137	3,739,497	3,606,822
Current liabilities
Current borrowings	4,700	4,700
Accounts payable	76,493	75,165
Accrued expenses	78,150	65,064
Current portion of contingent consideration	12,369	23,693
Payroll and benefit-related liabilities	61,115	74,586
Accrued interest	8,960	9,418
Income taxes payable	17,917	15,573
Other current liabilities	3,531	6,206
Total current liabilities	263,235	274,405
Long-term borrowings	970,825	965,280
Deferred tax liabilities	413,546	419,266
Pension and other postretirement benefit liabilities	156,423	170,946
Noncurrent liability for uncertain tax positions	67,152	68,292
Other liabilities	51,429	59,771
Total liabilities	1,922,610	1,957,960
Total common shareholders' equity	1,799,432	1,778,950
Noncontrolling interest	2,095	2,587
Total equity	1,801,527	1,781,537	1,692,014	1,982,783
Total liabilities and equity	3,724,137	3,739,497
Parent Company
Current assets
Cash and cash equivalents	28,093	70,860	43,661	114,531
Accounts receivable, net	1,325	2,147
Prepaid expenses and other current assets	7,010	7,769
Prepaid taxes	15,872	11,079
Deferred tax assets	14,051	13,987
Total current assets	66,351	105,842
Property, plant and equipment, net	7,347	7,258
Investments in affiliates	5,326,916	5,226,567
Deferred tax assets	58,641	59,644
Other assets	32,229	33,937
Total assets	5,491,484	5,433,248
Current liabilities
Accounts payable	81,392	80,495
Accrued expenses	17,613	11,338
Payroll and benefit-related liabilities	26,876	24,633
Accrued interest	8,956	9,413
Other current liabilities	1,212	598
Total current liabilities	136,049	126,477
Long-term borrowings	970,825	965,280
Pension and other postretirement benefit liabilities	99,994	114,257
Noncurrent liability for uncertain tax positions	14,496	13,131
Other liabilities	2,470,688	2,435,153
Total liabilities	3,692,052	3,654,298
Total common shareholders' equity	1,799,432	1,778,950
Total equity	1,799,432	1,778,950
Total liabilities and equity	5,491,484	5,433,248
Guarantor Subsidiaries
Current assets
Cash and cash equivalents		1,989
Accounts receivable, net	845,867	774,280
Inventories, net	213,247	202,748
Prepaid expenses and other current assets	4,735	5,294
Deferred tax assets	24,227	27,130
Assets held for sale	2,740	2,738
Total current assets	1,090,816	1,014,179
Property, plant and equipment, net	185,529	168,451
Goodwill	710,786	702,947
Intangibles assets, net	758,520	782,631
Investments in affiliates	1,290,138	1,281,201
Other assets	2,738,907	2,707,264
Total assets	6,774,696	6,656,673
Current liabilities
Accounts payable	957,737	873,754
Accrued expenses	23,912	20,471
Current portion of contingent consideration	11,761	21,115
Payroll and benefit-related liabilities	7,356	19,799
Other current liabilities	427	1,131
Total current liabilities	1,001,193	936,270
Deferred tax liabilities	418,108	427,146
Pension and other postretirement benefit liabilities	37,598	37,269
Noncurrent liability for uncertain tax positions	25,728	28,440
Other liabilities	20,372	35,543
Total liabilities	1,502,999	1,464,668
Total common shareholders' equity	5,271,697	5,192,005
Total equity	5,271,697	5,192,005
Total liabilities and equity	6,774,696	6,656,673
Non-Guarantor Subsidiaries
Current assets
Cash and cash equivalents	253,325	264,190	501,330	469,557
Accounts receivable, net	540,488	511,609
Inventories, net	149,733	136,492
Prepaid expenses and other current assets	16,025	15,649
Prepaid taxes	17,251	19,217
Deferred tax assets	7,693	6,810
Assets held for sale	5,195	5,225
Total current assets	989,710	959,192
Property, plant and equipment, net	118,588	122,236
Goodwill	529,806	546,509
Intangibles assets, net	294,325	276,161
Investments in affiliates	21,263	21,379
Deferred tax assets	2,994	3,197
Other assets	476,276	720,184
Total assets	2,432,962	2,648,858
Current liabilities
Current borrowings	4,700	4,700
Accounts payable	116,534	114,140
Accrued expenses	36,625	33,255
Current portion of contingent consideration	608	2,578
Payroll and benefit-related liabilities	26,883	30,154
Accrued interest	4	5
Income taxes payable	17,917	18,709
Other current liabilities	1,892	5,522
Total current liabilities	205,163	209,063
Deferred tax liabilities	56,987	54,664
Pension and other postretirement benefit liabilities	18,831	19,420
Noncurrent liability for uncertain tax positions	26,928	26,721
Other liabilities	749,181	991,327
Total liabilities	1,057,090	1,301,195
Total common shareholders' equity	1,373,777	1,345,076
Noncontrolling interest	2,095	2,587
Total equity	1,375,872	1,347,663
Total liabilities and equity	2,432,962	2,648,858
Eliminations
Current assets
Accounts receivable, net	(1,075,799)	(990,060)
Inventories, net	(14,372)	(15,893)
Prepaid taxes		(3,136)
Deferred tax assets		(1,045)
Total current assets	(1,090,171)	(1,010,134)
Investments in affiliates	(6,636,427)	(6,527,081)
Deferred tax assets	(61,549)	(62,545)
Other assets	(3,186,858)	(3,399,522)
Total assets	(10,975,005)	(10,999,282)
Current liabilities
Accounts payable	(1,079,170)	(993,224)
Income taxes payable		(3,136)
Other current liabilities		(1,045)
Total current liabilities	(1,079,170)	(997,405)
Deferred tax liabilities	(61,549)	(62,544)
Other liabilities	(3,188,812)	(3,402,252)
Total liabilities	(4,329,531)	(4,462,201)
Total common shareholders' equity	(6,645,474)	(6,537,081)
Total equity	(6,645,474)	(6,537,081)
Total liabilities and equity	$ (10,975,005)	$ (10,999,282)