XML 77 R63.htm IDEA: XBRL DOCUMENT v3.8.0.1
Prepaid Expenses and Other Current Assets - Significant Components (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Uncategorized [Abstract]    
Prepaid expenses $ 84,173 $ 37,961
Supplies inventory 17,105 15,114
Income taxes receivable   51,322
Other 63,210 49,802
Total $ 164,488 $ 154,199