XML 53 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Capital Stock - Narrative (Details) - shares
Sep. 30, 2017
Dec. 31, 2016
Sep. 24, 2016
Equity [Abstract]      
Common stock, shares authorized (in shares) 400,000,000 400,000,000 400,000,000
Preferred stock, shares authorized (in shares) 40,000 40,000 40,000