Lease Comitments Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2016

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:

2017	$	71,659
2018	52,331
2019	43,708
2020	32,345
2021	23,765
Thereafter	103,732