Long-Term Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Fixed rate senior notes $450 million due August 2021	Dec. 31, 2010 Multi Currency Revolving Credit Agreement Expiring July Twenty Sixteen Member U.S. Dollar Denominated Debt	Dec. 31, 2010 U.S. Dollar Commercial Paper Facility Rated A/2 P/2 US Dollar Borrowings	Dec. 31, 2011 Floating Rate Senior Notes U.S. Dollar Denominated Due August 2013	Dec. 31, 2010 Floating Rate Senior Notes U.S. Dollar Denominated Due August 2013	Dec. 31, 2011 Term Loan Agreement Japanese Yen Denominated Expiring September 2014	Dec. 31, 2010 Term Loan Agreement Japanese Yen Denominated Expiring September 2014	Dec. 31, 2011 Term Loan Agreement Swiss francs denominated expiring September 2016	Dec. 31, 2010 Term Loan Agreement Swiss francs denominated expiring September 2016	Feb. 28, 2010 Private Placement Notes	Dec. 31, 2011 Private Placement Notes U.S. Dollar Denominated Expiring March 2016	Dec. 31, 2010 Private Placement Notes U.S. Dollar Denominated Expiring March 2016	Dec. 31, 2011 Fixed Rate Senior Notes U.S. Dollar Denominated Due August 2016	Dec. 31, 2011 Other Borrowings Various Currencies And Rates	Dec. 31, 2010 Other Borrowings Various Currencies And Rates
Debt Instrument [Line Items]
Long-term debt	$ 1,491,419	$ 606,493	$ 448,497	$ 2,123	$ 119,500	$ 250,000	$ 0	$ 162,956	$ 154,626	$ 69,197	$ 69,560		$ 254,512	$ 250,000	$ 299,603	$ 6,654	$ 10,684
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			4.10%		0.40%	2.00%		1.10%	0.90%	1.20%	1.70%	4.10%	4.10%	4.10%	2.80%
Less: Current portion (included in notes payable and current portion of long-term debt)	1,409	2,478
Long-term portion	$ 1,490,010	$ 604,015