Commitments (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

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

The Company generally enters into short-term, unconditional purchase obligations with asset-based providers reserving space on a guaranteed basis. The pricing of these obligations varies to some degree with market conditions. Historically, the Company has met these obligations in the normal course of business within one year. Purchase obligations outstanding as of September 30, 2018 totaled $90 million.

Additionally, the Company occupies offices and warehouse facilities under terms of operating leases expiring up to 2032. At September 30, 2018, future minimum annual lease payments under all noncancelable leases are as follows:

2018	$	19,731
2019	70,736
2020	58,479
2021	41,107
2022	31,585
Thereafter	72,412
	$	294,050