Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Payments for all Non-Cancelable Operating Leases

Certain of these leases contain provisions for optional renewal at the end of the lease terms.

2017	$	23,746
2018	19,311
2019	15,978
2020	13,110
2021	7,214
Thereafter	7,578