Restructuring - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		11 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) employee	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected restructuring cash charges	$ 120,000		$ 120,000		$ 120,000
Restructuring and related charges	1,540	$ 0	3,329	$ 0
Restructuring 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre tax			8,200		118,300
Restructuring charges, net of tax			7,100		108,800
Payments for restructuring			6,481		18,800
Restructuring reserve, settled without cash			$ 2,980		99,500
Goodwill and long-lived asset impairment					$ 86,400
Headcount reduction | employee			320
Restructuring and related charges	$ 2,913		$ 8,157