Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Segment Jurisdiction Year statement Plan Site	Sep. 30, 2010
Income Taxes
Effective income tax rates (as a percent)	23.50%	22.80%	26.30%	23.20%
Provision for tax benefit relating to the previously announced flood damage at the Company's Sidney, New York facility	$ (4,700)
Charges related to flood in Sidney, New York	12,831		12,831
One-time tax benefit related to completion of prior year audits	4,500
One-time tax cost included in provision for taxes			6,600
Gain for the adjustment of a contingent acquisition related obligation			17,800
Reduction in tax expense primarily to reserve adjustments from the favorable settlement of certain international tax positions		8,400		20,700
Minimum number of tax jurisdictions			60
Liability for unrecognized tax benefits, including penalties and interest, which if recognized would impact the effective tax rate	21,598		21,598
Unrecognized tax benefits, anticipated adjustment for changing facts and circumstances, over the next twelve month period	$ 4,000		$ 4,000