Income Taxes	3 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Silgan and its subsidiaries file U.S. Federal income tax returns, as well as income tax returns in various states and foreign jurisdictions. The Internal Revenue Service, or IRS, is completing its review of the 2017 tax year. We expect no material change to our filed federal income tax return for 2017. We have been accepted into the Compliance Assurance Program for the 2018 and 2019 tax years which provides for the review by the IRS of tax matters relating to our tax return prior to filing. In the next twelve months, it is reasonably possible that our reserve for unrecognized tax benefits will decrease by approximately $4.0 million primarily related to tax attributes acquired from and expenses related to certain acquisitions, as we anticipate the expiration of the applicable statutes of limitation with respect to certain tax matters and resolving certain other outstanding tax matters with the IRS.

Income Taxes

3 Months Ended

Mar. 31, 2019

Silgan and its subsidiaries file U.S. Federal income tax returns, as well as income tax returns in various states and foreign jurisdictions. The Internal Revenue Service, or IRS, is completing its review of the 2017 tax year. We expect no material change to our filed federal income tax return for 2017. We have been accepted into the Compliance Assurance Program for the 2018 and 2019 tax years which provides for the review by the IRS of tax matters relating to our tax return prior to filing. In the next twelve months, it is reasonably possible that our reserve for unrecognized tax benefits will decrease by approximately $4.0 million primarily related to tax attributes acquired from and expenses related to certain acquisitions, as we anticipate the expiration of the applicable statutes of limitation with respect to certain tax matters and resolving certain other outstanding tax matters with the IRS.