Corporate Relocation Plan (Details) - Corporate Relocation Plan $ in Thousands		6 Months Ended	23 Months Ended	30 Months Ended
	Feb. 05, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring, number of positions affected	350
Expected restructuring costs			$ 31,000
Restructuring charges		$ 6,995		$ 33,960
Restructuring charges settled without cash		2,453		3,709
Restructuring charges incurred to date		30,300	30,300	30,300
Employee-related
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 18,000
Restructuring charges		732		16,975
Restructuring charges settled without cash		0		0
Facility Closing
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	5,000
Restructuring charges		5,288		9,880
Restructuring charges settled without cash		2,453		3,709
Restructuring and Related Cost, Accelerated Depreciation		1,100	2,300
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 8,000
Restructuring charges		975		7,105
Restructuring charges settled without cash		0		0
Restructuring charges incurred to date		7,100	7,100	7,100
Employee-related
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred to date		17,000	17,000	17,000
Restructuring costs, facility related
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred to date		$ 6,200	$ 6,200	$ 6,200