Related Party Transactions	12 Months Ended
Related Party Transactions	Sep. 30, 2015
Related Party Transactions
Related Party Transactions	14. Related Party Transactions In addition to transactions disclosed elsewhere, Headwaters was involved in the following transactions with related parties. A director of Headwaters, who retired from the Board in 2014, was also a principal in one of the insurance brokerage companies Headwaters uses to purchase certain insurance benefits for its employees. Commissions paid to that company by providers of insurance services to Headwaters totaled approximately $0.1 million in both 2013 and 2014. Until December 2013, when the contract was terminated, a majority of one of Headwaters' subsidiary's transportation needs was provided by a company, two of the principals of which are related to an officer of the subsidiary. Costs incurred were approximately $6.4 million in 2013 and $1.4 million in 2014.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.