Related Parties	12 Months Ended
Dec. 31, 2016
Related Party Transactions [Abstract]
Related Parties	NOTE 26. RELATED PARTIES In some markets, we purchase grid products from WAVE, our 50%-owned joint venture with Worthington Industries, for resale to customers. The total amount of these purchases was $76.2 million in 2016, $73.7 million in 2015 and $85.4 million in 2014. We also provide certain selling, promotional and administrative processing services to WAVE for which we receive reimbursement. Those services amounted to $15.7 million in 2016, $15.2 million in 2015, and $14.7 million in 2014. The net amount due to WAVE from us for all of our relationships was $8.7 million as of December 31, 2016 and $5.4 million as of December 31, 2015. See Note 9 to the Consolidated Financial Statements for additional information.

Related Parties

12 Months Ended

Dec. 31, 2016

NOTE 26. RELATED PARTIES

In some markets, we purchase grid products from WAVE, our 50%-owned joint venture with Worthington Industries, for resale to customers. The total amount of these purchases was $76.2 million in 2016, $73.7 million in 2015 and $85.4 million in 2014. We also provide certain selling, promotional and administrative processing services to WAVE for which we receive reimbursement. Those services amounted to $15.7 million in 2016, $15.2 million in 2015, and $14.7 million in 2014. The net amount due to WAVE from us for all of our relationships was $8.7 million as of December 31, 2016 and $5.4 million as of December 31, 2015. See Note 9 to the Consolidated Financial Statements for additional information.