Debt	3 Months Ended
Mar. 31, 2019
Debt [Abstract]
Debt Disclosure [Text Block]	Note 14 – Debt The Company’s primary credit facility (“the Credit Facility”) is a $300.0 million syndicated multicurrency credit agreement with a group of lenders. The maximum amount available under the Credit Facility can be increased to $400.0 million at the Company’s option if the lenders agree and the Company satisfies certain conditions. Borrowings under the Credit Facility generally bear interest at a base rate or LIBOR rate plus a margin. The Credit Facility has certain financial and other covenants, with the key financial covenant requiring that the Company’s consolidated total debt to adjusted EBITDA ratio cannot exceed 3.50 to 1. As of March 31, 2019 and December 31, 2018, the Company’s total debt to adjusted EBITDA ratio was below 1.0 to 1, and the Company was also in compliance with all of its other covenants. During the first quarter of 2019, the Credit Facility was amended and restated to extend the maturity date to July 15, 2020. As of March 31, 2019 the Company had no Credit Facility borrowings outstanding. As of December 31, 2018, the Company had Credit Facility borrowings of $24.0 million. The Company’s other debt obligations are primarily industrial development bonds and municipality-related loans, which totaled $12.4 million as of March 31, 2019 and $12.6 million as of December 31, 2018.

Debt

3 Months Ended

Mar. 31, 2019

Note 14 – Debt

The Company’s primary credit facility (“the Credit Facility”) is a $300.0 million syndicated multicurrency credit agreement with a group of lenders. The maximum amount available under the Credit Facility can be increased to $400.0 million at the Company’s option if the lenders agree and the Company satisfies certain conditions. Borrowings under the Credit Facility generally bear interest at a base rate or LIBOR rate plus a margin. The Credit Facility has certain financial and other covenants, with the key financial covenant requiring that the Company’s consolidated total debt to adjusted EBITDA ratio cannot exceed 3.50 to 1. As of March 31, 2019 and December 31, 2018, the Company’s total debt to adjusted EBITDA ratio was below 1.0 to 1, and the Company was also in compliance with all of its other covenants. During the first quarter of 2019, the Credit Facility was amended and restated to extend the maturity date to July 15, 2020. As of March 31, 2019 the Company had no Credit Facility borrowings outstanding. As of December 31, 2018, the Company had Credit Facility borrowings of $24.0 million. The Company’s other debt obligations are primarily industrial development bonds and municipality-related loans, which totaled $12.4 million as of March 31, 2019 and $12.6 million as of December 31, 2018.