Condensed Consolidating Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Cash Flow Statements Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	$ 229,871	$ 193,853	$ 94,357
Expenditures for property, plant and equipment	(63,580)	(65,394)	(44,582)
Proceeds from sales of businesses and assets, net of cash sold		66,660	376,025
Payments for businesses and intangibles acquired, net of cash acquired	(309,008)	(369,444)	(24,623)
Investments in affiliates	(50)	(80)	(150)
Net cash used in investing activities from continuing operations	(372,638)	(368,258)	306,670
Proceeds from long-term borrowings	680,000		515,000
Repayment of long-term borrowings	(375,000)		(455,800)
Debt extinguishment, issuance and amendment fees	(6,400)		(18,518)
Decrease in notes payable and current borrowings		(706)	(24,714)
Proceeds from stock compensation plans	7,609	9,003	34,009
Dividends	(55,917)	(55,589)	(55,136)
Payments to noncontrolling interest shareholders	(736)
Payments for contingent consideration	(16,958)	(17,596)	(5,947)
Net cash provided by (used in) financing activities from continuing operations	232,598	(64,888)	(11,106)
Net cash (used in) provided by operating activities	(3,327)	(7,799)	121
Net cash used in investing activities		(2,351)	(2,875)
Net cash (used in) provided by discontinued operations	(3,327)	(10,150)	(2,754)
Effect of exchange rate changes on cash and cash equivalents	8,441	2,394	(11,531)
Net (decrease) increase in cash and cash equivalents	94,945	(247,049)	375,636
Cash and cash equivalents at the beginning of the year	337,039	584,088	208,452
Cash and cash equivalents at the end of the year	431,984	337,039	584,088
Parent Company
Condensed Cash Flow Statements Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	(132,459)	(178,782)	(107,279)
Expenditures for property, plant and equipment	(1,553)	(7,352)	(3,167)
Proceeds from sales of businesses and assets, net of cash sold		4,301
Investments in affiliates	(50)	(80)	(150)
Net cash used in investing activities from continuing operations	(1,603)	(3,131)	(3,317)
Proceeds from long-term borrowings	680,000		515,000
Repayment of long-term borrowings	(375,000)		(455,800)
Debt extinguishment, issuance and amendment fees	(6,400)		(18,518)
Decrease in notes payable and current borrowings			(25,000)
Proceeds from stock compensation plans	7,609	9,003	34,009
Dividends	(55,917)	(55,589)	(55,136)
Intercompany transactions	(141,614)	196,850	220,302
Net cash provided by (used in) financing activities from continuing operations	108,678	150,264	214,857
Net cash (used in) provided by operating activities	(2,727)	(12,022)	(12,359)
Net cash used in investing activities			(3)
Net cash (used in) provided by discontinued operations	(2,727)	(12,022)	(12,362)
Net (decrease) increase in cash and cash equivalents	(28,111)	(43,671)	91,899
Cash and cash equivalents at the beginning of the year	70,860	114,531	22,632
Cash and cash equivalents at the end of the year	42,749	70,860	114,531
Guarantor Subsidiaries
Condensed Cash Flow Statements Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	205,954	310,736	234,145
Expenditures for property, plant and equipment	(47,633)	(39,118)	(25,840)
Proceeds from sales of businesses and assets, net of cash sold		45,204	58,986
Payments for businesses and intangibles acquired, net of cash acquired	(250,912)	(105,195)	(24,623)
Net cash used in investing activities from continuing operations	(298,545)	(99,109)	8,523
Decrease in notes payable and current borrowings		(421)
Payments for contingent consideration	(14,802)	(16,289)	(5,947)
Intercompany transactions	137,304	(177,900)	(227,222)
Intercompany dividends paid	(17,400)	(16,900)	(18,300)
Net cash provided by (used in) financing activities from continuing operations	105,102	(211,510)	(251,469)
Net cash (used in) provided by operating activities		4,223	9,306
Net cash used in investing activities		(2,351)	(505)
Net cash (used in) provided by discontinued operations		1,872	8,801
Net (decrease) increase in cash and cash equivalents	12,511	1,989
Cash and cash equivalents at the beginning of the year	1,989
Cash and cash equivalents at the end of the year	14,500	1,989
Non-Guarantor Subsidiaries
Condensed Cash Flow Statements Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	304,278	160,802	71,115
Expenditures for property, plant and equipment	(14,394)	(18,924)	(15,575)
Proceeds from sales of businesses and assets, net of cash sold		17,155	317,039
Payments for businesses and intangibles acquired, net of cash acquired	(58,096)	(264,249)
Net cash used in investing activities from continuing operations	(72,490)	(266,018)	301,464
Decrease in notes payable and current borrowings		(285)	286
Payments to noncontrolling interest shareholders	(736)
Payments for contingent consideration	(2,156)	(1,307)
Intercompany transactions	4,310	(18,950)	6,920
Intercompany dividends paid	(130,502)	(82,003)	(85,324)
Net cash provided by (used in) financing activities from continuing operations	(129,084)	(102,545)	(78,118)
Net cash (used in) provided by operating activities	(600)		3,174
Net cash used in investing activities			(2,367)
Net cash (used in) provided by discontinued operations	(600)		807
Effect of exchange rate changes on cash and cash equivalents	8,441	2,394	(11,531)
Net (decrease) increase in cash and cash equivalents	110,545	(205,367)	283,737
Cash and cash equivalents at the beginning of the year	264,190	469,557	185,820
Cash and cash equivalents at the end of the year	374,735	264,190	469,557
Consolidation, Eliminations
Condensed Cash Flow Statements Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	(147,902)	(98,903)	(103,624)
Intercompany dividends paid	147,902	98,903	103,624
Net cash provided by (used in) financing activities from continuing operations	$ 147,902	$ 98,903	$ 103,624