Debt	3 Months Ended
Mar. 31, 2017
Debt [Abstract]
Debt Disclosure [Text Block]	Note 11 – Debt The Company’s primary credit facility is a $300.0 million syndicated multicurrency credit agreement with a group of lenders which matures in June 2018 (“the Credit Facility”). 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. Access to the Credit Facility is dependent on meeting certain financial and other covenants, but primarily depends on the Company’s consolidated leverage ratio calculation, which cannot exceed 3.50 to 1. As of March 31, 2017 and December 31, 2016, the Company’s consolidated leverage ratio was below 1.0 to 1, and the Company was also in compliance with all of its other covenants. As of both March 31, 2017 and December 31, 2016, the Company had total credit facility borrowings of $47.9 million, primarily under the Credit Facility. The Company’s other debt obligations were primarily industrial development bonds and municipality-related loans as of March 31, 2017 and December 31, 2016.

Debt

3 Months Ended

Mar. 31, 2017

Note 11 – Debt

The Company’s primary credit facility is a $300.0 million syndicated multicurrency credit agreement with a group of lenders which matures in June 2018 (“the Credit Facility”). 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. Access to the Credit Facility is dependent on meeting certain financial and other covenants, but primarily depends on the Company’s consolidated leverage ratio calculation, which cannot exceed 3.50 to 1. As of March 31, 2017 and December 31, 2016, the Company’s consolidated leverage ratio was below 1.0 to 1, and the Company was also in compliance with all of its other covenants. As of both March 31, 2017 and December 31, 2016, the Company had total credit facility borrowings of $47.9 million, primarily under the Credit Facility. The Company’s other debt obligations were primarily industrial development bonds and municipality-related loans as of March 31, 2017 and December 31, 2016.