Condensed Consolidated Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash (used in) provided by operating activities from continuing operations	$ 193,853	$ 94,357	$ 143,834
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(65,394)	(44,582)	(29,330)
Payments for businesses and intangibles acquired, net of cash acquired	(387,040)	(30,570)	(82)
Proceeds from sales of businesses and assets, net of cash sold	66,660	376,025	181,550
Investments in affiliates	(80)	(150)
Net cash (used in) provided by investing activities from continuing operations	(385,854)	300,723	152,138
Cash Flows from Financing Activities of Continuing Operations:
Proceeds from long-term borrowings		515,000	490,000
Repayment of long-term borrowings		(455,800)	(716,570)
Debt extinguishment, issuance and amendment fees		(18,518)	(65,226)
Decrease (increase) in notes payable and current borrowings	(706)	(24,714)	29,700
Proceeds from stock compensation plans	9,003	34,009	10,657
Payments to noncontrolling interest shareholders			(1,148)
Dividends	(55,589)	(55,136)	(54,312)
Purchase of call options			(88,000)
Proceeds from sale of warrants			59,400
Net cash provided by (used in) financing activities from continuing operations	(47,292)	(5,159)	(335,499)
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	(7,799)	121	69,268
Net cash provided by (used in) investing activities	(2,351)	(2,875)	(4,336)
Net cash used in financing activities			(1,128)
Net cash (used in) provided by discontinued operations	(10,150)	(2,754)	63,804
Effect of exchange rate changes on cash and cash equivalents	2,394	(11,531)	(4,130)
Net (decrease) increase in cash and cash equivalents	(247,049)	375,636	20,147
Cash and cash equivalents at the beginning of the period	584,088	208,452	188,305
Cash and cash equivalents at the end of the period	337,039	584,088	208,452
Parent Company
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash (used in) provided by operating activities from continuing operations	(179,859)	(108,729)	(102,497)
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(7,352)	(3,167)	(1,422)
Proceeds from sales of businesses and assets, net of cash sold	4,301		53,466
Investments in affiliates	(80)	(150)
Net cash (used in) provided by investing activities from continuing operations	(3,131)	(3,317)	52,044
Cash Flows from Financing Activities of Continuing Operations:
Proceeds from long-term borrowings		515,000	490,000
Repayment of long-term borrowings		(455,800)	(716,570)
Debt extinguishment, issuance and amendment fees		(18,518)	(65,226)
Decrease (increase) in notes payable and current borrowings		(25,000)	29,700
Proceeds from stock compensation plans	9,003	34,009	10,657
Dividends	(55,589)	(55,136)	(54,312)
Purchase of call options			(88,000)
Proceeds from sale of warrants			59,400
Intercompany transactions	197,927	221,752	373,228
Net cash provided by (used in) financing activities from continuing operations	151,341	216,307	38,877
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	(12,022)	(12,359)	2,223
Net cash provided by (used in) investing activities		(3)	208
Net cash (used in) provided by discontinued operations	(12,022)	(12,362)	2,431
Net (decrease) increase in cash and cash equivalents	(43,671)	91,899	(9,145)
Cash and cash equivalents at the beginning of the period	114,531	22,632	31,777
Cash and cash equivalents at the end of the period	70,860	114,531	22,632
Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash (used in) provided by operating activities from continuing operations	238,771	147,249	164,368
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(39,118)	(25,840)	(19,908)
Payments for businesses and intangibles acquired, net of cash acquired	(121,484)	(30,570)	(82)
Proceeds from sales of businesses and assets, net of cash sold	45,204	58,986	33,091
Net cash (used in) provided by investing activities from continuing operations	(115,398)	2,576	13,101
Cash Flows from Financing Activities of Continuing Operations:
Decrease (increase) in notes payable and current borrowings	(421)
Intercompany transactions	(122,835)	(158,626)	(184,527)
Net cash provided by (used in) financing activities from continuing operations	(123,256)	(158,626)	(184,527)
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities	4,223	9,306	7,769
Net cash provided by (used in) investing activities	(2,351)	(505)	(711)
Net cash (used in) provided by discontinued operations	1,872	8,801	7,058
Net (decrease) increase in cash and cash equivalents	1,989
Cash and cash equivalents at the end of the period	1,989
Non-Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash (used in) provided by operating activities from continuing operations	134,941	55,837	81,963
Cash Flows from Investing Activities of Continuing Operations:
Expenditures for property, plant and equipment	(18,924)	(15,575)	(8,000)
Payments for businesses and intangibles acquired, net of cash acquired	(265,556)
Proceeds from sales of businesses and assets, net of cash sold	17,155	317,039	94,993
Net cash (used in) provided by investing activities from continuing operations	(267,325)	301,464	86,993
Cash Flows from Financing Activities of Continuing Operations:
Decrease (increase) in notes payable and current borrowings	(285)	286
Payments to noncontrolling interest shareholders			(1,148)
Intercompany transactions	(75,092)	(63,126)	(188,701)
Net cash provided by (used in) financing activities from continuing operations	(75,377)	(62,840)	(189,849)
Cash Flows from Discontinued Operations:
Net cash (used in) provided by operating activities		3,174	59,276
Net cash provided by (used in) investing activities		(2,367)	(3,833)
Net cash used in financing activities			(1,128)
Net cash (used in) provided by discontinued operations		807	54,315
Effect of exchange rate changes on cash and cash equivalents	2,394	(11,531)	(4,130)
Net (decrease) increase in cash and cash equivalents	(205,367)	283,737	29,292
Cash and cash equivalents at the beginning of the period	469,557	185,820	156,528
Cash and cash equivalents at the end of the period	$ 264,190	$ 469,557	$ 185,820