Condensed Consolidated Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating activities
Net income before noncontrolling interest	$ 38,521	$ 202,321	$ 116,200
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Loss (gain) on disposal of discontinued operations		626	19
Equity income of unconsolidated subsidiaries	(1,898)	(2,108)	1,379
Depreciation	66,235	57,995	64,823
Amortization	41,897	26,184	40,657
Deferred income taxes	(5,583)	29,453	30,616
Stock compensation	19,489	21,468	17,324
Goodwill impairment	200,520
Excess tax benefits from stock-based compensation	(3,310)	(2,686)	(1,746)
(Gain) loss on sale of assets	933	466	985
Changes in assets and liabilities, net of effects of business acquisitions and dispositions
Accounts and notes receivable	1,348	(62,344)	11,307
Inventories	18,263	(44,495)	66,684
Prepaid expenses and other current assets	10,032	2,777	16,202
Accounts payable	(24,330)	55,321	(13,822)
Employee compensation and benefits	(20,486)	27,252	(22,431)
Accrued product claims and warranties	(1,984)	8,068	(7,440)
Income taxes	10,084	1,791	1,972
Other current liabilities	10,921	561	(21,081)
Pension and post-retirement benefits	(24,596)	(43,024)	(39,607)
Other assets and liabilities	(15,830)	(9,250)	(2,141)
Net cash provided by (used for) continuing operations	320,226	270,376	259,900
Net cash provided by (used for) operating activities of discontinued operations			(1,531)
Net cash provided by (used for) operating activities	320,226	270,376	258,369
Investing activities
Capital expenditures	(73,348)	(59,523)	(54,137)
Proceeds from sale of property and equipment	1,310	358	1,208
Divestitures			1,567
Acquisitions, net of cash acquired	(733,105)
Other	(2,943)	(1,148)	(3,224)
Net cash provided by (used for) investing activities	(808,086)	(60,313)	(54,586)
Financing activities
Net short-term borrowings	(1,239)	2,728	2,205
Proceeds from long-term debt	1,421,602	703,641	580,000
Repayment of long-term debt	(832,147)	(804,713)	(730,304)
Debt issuance costs	(8,973)	(50)	(50)
Excess tax benefits from stock-based compensation	3,310	2,686	1,746
Stock issued to employees, net of shares withheld	13,322	9,941	8,247
Repurchases of common stock	(12,785)	(24,712)
Dividends paid	(79,537)	(75,465)	(70,927)
Distribution to noncontrolling interest		(4,647)
Net cash provided by (used for) financing activities	503,553	(190,591)	(209,083)
Effect of exchange rate changes on cash and cash equivalents	(11,672)	(6,812)	(648)
Change in cash and cash equivalents	4,021	12,660	(5,948)
Cash and cash equivalents, beginning of period	46,056	33,396	39,344
Cash and cash equivalents, end of period	50,077	46,056	33,396
Parent Company
Operating activities
Net income before noncontrolling interest	34,222	197,828	115,493
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Loss (gain) on disposal of discontinued operations		626	143
Depreciation	5,991	3,002	8,166
Amortization		593	14,332
Earnings from investments in subsidiaries	18,792	(129,872)	(60,528)
Deferred income taxes	6,889	18,075	8,223
Stock compensation	19,489	21,468	17,324
Excess tax benefits from stock-based compensation	(3,310)	(2,686)	(1,746)
(Gain) loss on sale of assets	933	466	(1,389)
Changes in assets and liabilities, net of effects of business acquisitions and dispositions
Accounts and notes receivable	(53,661)	1,759	(1,456)
Prepaid expenses and other current assets	(19,728)	(8,519)	48,529
Accounts payable	60,209	(1,431)	5,615
Employee compensation and benefits	(23,553)	14,630	(1,385)
Accrued product claims and warranties		12,245
Income taxes	48,947	(13,267)	(10,921)
Other current liabilities	10,539	3,314	(29,030)
Pension and post-retirement benefits	(17,662)	(33,762)	(30,630)
Other assets and liabilities	502	(2,191)	(19,117)
Net cash provided by (used for) continuing operations			61,623
Net cash provided by (used for) operating activities of discontinued operations			(30)
Net cash provided by (used for) operating activities	88,599	82,278	61,593
Investing activities
Capital expenditures	(8,301)	(11,557)	(2,237)
Divestitures			404
Other	3,702	525	7
Net cash provided by (used for) investing activities	(4,599)	(11,032)	(1,826)
Financing activities
Net short-term borrowings	(1,239)	2,728	2,205
Proceeds from long-term debt	1,421,602	703,641	580,000
Repayment of long-term debt	(832,147)	(804,713)	(730,304)
Debt issuance costs	(8,973)	(50)	(50)
Net change in advances to subsidiaries	(579,126)	106,372	152,482
Excess tax benefits from stock-based compensation	3,310	2,686	1,746
Stock issued to employees, net of shares withheld	13,324	9,941	8,247
Repurchases of common stock	(12,785)	(24,712)
Dividends paid	(78,351)	(73,014)	(63,686)
Net cash provided by (used for) financing activities	(74,385)	(77,121)	(49,360)
Effect of exchange rate changes on cash and cash equivalents	(9,719)	7,044	(11,095)
Change in cash and cash equivalents	(104)	1,169	(688)
Cash and cash equivalents, beginning of period	3,201	2,032	2,720
Cash and cash equivalents, end of period	3,097	3,201	2,032
Guarantor Subsidiaries
Operating activities
Net income before noncontrolling interest	132,027	70,107	9,966
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Loss (gain) on disposal of discontinued operations			(551)
Equity income of unconsolidated subsidiaries	(1,654)	(1,551)	1,379
Depreciation	27,742	29,902	30,506
Amortization	15,195	15,597	15,752
Earnings from investments in subsidiaries	(27,419)
Deferred income taxes	18,084	9,679	18,582
Changes in assets and liabilities, net of effects of business acquisitions and dispositions
Accounts and notes receivable	20,574	(61,042)	10,492
Inventories	7,589	(10,683)	46,791
Prepaid expenses and other current assets	17,041	(3,035)	2,985
Accounts payable	5,320	43,578	(18,623)
Employee compensation and benefits	(2,193)	4,840	(13,968)
Accrued product claims and warranties	(1,533)	5,695	(7,645)
Income taxes	(33,965)	15,813	6,917
Other current liabilities	22,568	(5,258)	(15,312)
Pension and post-retirement benefits	(10,910)	(11,798)	(11,716)
Other assets and liabilities	(18,485)	(12,731)	39,226
Net cash provided by (used for) continuing operations			114,781
Net cash provided by (used for) operating activities of discontinued operations			(1,590)
Net cash provided by (used for) operating activities	169,981	89,113	113,191
Investing activities
Capital expenditures	(27,625)	(22,954)	(19,676)
Proceeds from sale of property and equipment	143	284	446
Divestitures			1,002
Other	(4,604)
Net cash provided by (used for) investing activities	(32,086)	(22,670)	(18,228)
Financing activities
Net short-term borrowings		31	115
Net change in advances to subsidiaries	(137,767)	(59,269)	(110,046)
Dividends paid	(200)	142	5,313
Net cash provided by (used for) financing activities	(137,967)	(59,096)	(104,618)
Effect of exchange rate changes on cash and cash equivalents		(5,756)	8,123
Change in cash and cash equivalents	(72)	1,591	(1,532)
Cash and cash equivalents, beginning of period	3,404	1,813	3,345
Cash and cash equivalents, end of period	3,332	3,404	1,813
Non-Guarantor Subsidiaries
Operating activities
Net income before noncontrolling interest	(117,780)	64,258	51,269
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Loss (gain) on disposal of discontinued operations			427
Equity income of unconsolidated subsidiaries	(244)	(557)
Depreciation	32,502	25,091	26,151
Amortization	26,702	9,994	10,573
Earnings from investments in subsidiaries	(1,321)
Deferred income taxes	(30,556)	1,699	3,811
Goodwill impairment	200,520
(Gain) loss on sale of assets			2,374
Changes in assets and liabilities, net of effects of business acquisitions and dispositions
Accounts and notes receivable	32,870	(14,222)	7,484
Inventories	10,674	(33,812)	19,893
Prepaid expenses and other current assets	(5,601)	6,993	(37,221)
Accounts payable	(78,308)	24,248	(5,209)
Employee compensation and benefits	5,260	7,782	(7,078)
Accrued product claims and warranties	(451)	(9,872)	205
Income taxes	(4,898)	(755)	5,976
Other current liabilities	(3,867)	9,921	25,118
Pension and post-retirement benefits	3,976	2,536	2,739
Other assets and liabilities	(7,832)	5,672	(22,250)
Net cash provided by (used for) continuing operations			84,262
Net cash provided by (used for) operating activities of discontinued operations			89
Net cash provided by (used for) operating activities	61,646	98,976	84,351
Investing activities
Capital expenditures	(37,422)	(25,012)	(32,224)
Proceeds from sale of property and equipment	1,167	74	762
Divestitures			161
Acquisitions, net of cash acquired	(733,105)
Other	(2,041)	(1,673)	(3,231)
Net cash provided by (used for) investing activities	(771,401)	(26,611)	(34,532)
Financing activities
Net short-term borrowings		(31)	(115)
Net change in advances to subsidiaries	716,893	(47,090)	(43,201)
Stock issued to employees, net of shares withheld	(2)
Dividends paid	(986)	(2,593)	(12,554)
Distribution to noncontrolling interest		(4,647)
Net cash provided by (used for) financing activities	715,905	(54,361)	(55,870)
Effect of exchange rate changes on cash and cash equivalents	(1,953)	(8,104)	2,323
Change in cash and cash equivalents	4,197	9,900	(3,728)
Cash and cash equivalents, beginning of period	39,451	29,551	33,279
Cash and cash equivalents, end of period	43,648	39,451	29,551
Eliminations
Operating activities
Net income before noncontrolling interest	(9,948)	(129,872)	(60,528)
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Earnings from investments in subsidiaries	9,948	129,872	60,528
Changes in assets and liabilities, net of effects of business acquisitions and dispositions
Accounts and notes receivable	1,565	11,161	(5,213)
Prepaid expenses and other current assets	18,320	7,338	1,909
Accounts payable	(11,551)	(11,074)	4,395
Other current liabilities	(18,319)	(7,416)	(1,857)
Other assets and liabilities	9,985
Net cash provided by (used for) continuing operations			(766)
Net cash provided by (used for) operating activities		9	(766)
Financing activities
Net change in advances to subsidiaries		(13)	765
Net cash provided by (used for) financing activities		(13)	765
Effect of exchange rate changes on cash and cash equivalents		$ 4	$ 1