Long-term Debt and Line of Credit - Financial Covenants (Details)	3 Months Ended								5 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Aug. 05, 2015
Debt Disclosure [Abstract]
Debt instrument, covenant, fixed charge coverage ratio, maximum										1.25
Debt instrument, covenant, leverage ratio, maximum	3.00	3.00	2.75	2.75	3.00	3.25	3.75	4.00	3.25