Condensed Consolidated Guarantor Financial Information (Schedule Of Condensed Consolidating Statements Of Cash Flows) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011
Net cash (used in) provided by operating activities from continuing operations	$ 139,132	$ 60,220
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(46,092)	(27,308)
Proceeds from sales of businesses and assets, net of cash sold	66,605	100,905
Payments for businesses and intangibles acquired, net of cash acquired	(62,627)	(30,570)
Investments in affiliates	(80)
Net cash (used in) provided by investing activities from continuing operations	(42,194)	43,027
Cash Flows from Financing Activities of Continuing Operations:
Proceeds from long-term borrowings		515,000
Decrease in notes payable and current borrowings	(706)
Repayment in long-term borrowings		(455,800)
Debt and equity issuance and amendment costs		(18,510)
Proceeds from stock compensation plans	7,714	32,930
Dividends	(41,661)	(41,278)
Net cash (used in) provided by financing activities from continuing operations	(34,653)	32,342
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	(6,477)	28,546
Net cash used in investing activities	(2,351)	(1,997)
Net cash (used in) provided by discontinued operations	(8,828)	26,549
Effect of exchange rate changes on cash and cash equivalents	(2,716)	1,109
Net (decrease) increase in cash and cash equivalents	50,741	163,247
Cash and cash equivalents at the beginning of the period	584,088	208,452
Cash and cash equivalents at the end of the period	634,829	371,699
Parent Company [Member]
Net cash (used in) provided by operating activities from continuing operations	(123,496)	(94,929)
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(6,952)	(164)
Proceeds from sales of businesses and assets, net of cash sold	4,301
Investments in affiliates	(80)
Net cash (used in) provided by investing activities from continuing operations	(2,731)	(164)
Cash Flows from Financing Activities of Continuing Operations:
Proceeds from long-term borrowings		515,000
Repayment in long-term borrowings		(455,800)
Debt and equity issuance and amendment costs		(18,510)
Proceeds from stock compensation plans	7,714	32,930
Dividends	(41,661)	(41,278)
Intercompany transactions	179,626	195,311
Net cash (used in) provided by financing activities from continuing operations	145,679	227,653
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	(10,729)	(3,199)
Net cash used in investing activities		(3)
Net cash (used in) provided by discontinued operations	(10,729)	(3,202)
Net (decrease) increase in cash and cash equivalents	8,723	129,358
Cash and cash equivalents at the beginning of the period	114,531	22,632
Cash and cash equivalents at the end of the period	123,254	151,990
Guarantor Subsidiaries [Member]
Net cash (used in) provided by operating activities from continuing operations	179,665	88,058
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(26,238)	(18,025)
Proceeds from sales of businesses and assets, net of cash sold	45,149	62,044
Payments for businesses and intangibles acquired, net of cash acquired	(59,334)	(30,570)
Net cash (used in) provided by investing activities from continuing operations	(40,423)	13,449
Cash Flows from Financing Activities of Continuing Operations:
Decrease in notes payable and current borrowings	(421)
Intercompany transactions	(140,722)	(106,719)
Net cash (used in) provided by financing activities from continuing operations	(141,143)	(106,719)
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	4,252	6,681
Net cash used in investing activities	(2,351)	(253)
Net cash (used in) provided by discontinued operations	1,901	6,428
Net (decrease) increase in cash and cash equivalents		1,216
Cash and cash equivalents at the end of the period		1,216
Non-Guarantor Subsidiaries [Member]
Net cash (used in) provided by operating activities from continuing operations	82,963	67,091
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(12,902)	(9,119)
Proceeds from sales of businesses and assets, net of cash sold	17,155	38,861
Payments for businesses and intangibles acquired, net of cash acquired	(3,293)
Net cash (used in) provided by investing activities from continuing operations	960	29,742
Cash Flows from Financing Activities of Continuing Operations:
Decrease in notes payable and current borrowings	(285)
Intercompany transactions	(38,904)	(88,592)
Net cash (used in) provided by financing activities from continuing operations	(39,189)	(88,592)
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities		25,064
Net cash used in investing activities		(1,741)
Net cash (used in) provided by discontinued operations		23,323
Effect of exchange rate changes on cash and cash equivalents	(2,716)	1,109
Net (decrease) increase in cash and cash equivalents	42,018	32,673
Cash and cash equivalents at the beginning of the period	469,557	185,820
Cash and cash equivalents at the end of the period	$ 511,575	$ 218,493