Lease Comitments Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2018

Lease Commitments [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Aggregate minimum rental commitments under all non-cancelable operating leases, exclusive of real estate taxes, insurance, and leases related to facilities closed as a result of the integration of acquired businesses and the restructuring of the company, are as follows:

2019	$	85,770
2020	67,158
2021	52,826
2022	44,801
2023	37,528
Thereafter	147,294