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Restructuring and Related Activities (Details)		3 Months Ended		6 Months Ended		7 Months Ended	15 Months Ended
Restructuring and Related Activities (Details)	Dec. 14, 2015 USD ($) employee	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated \| employee	100
Restructuring Reserve		$ 1,981,000		$ 1,981,000		$ 1,981,000		$ 359,000
Restructuring Charges		623,000	$ 0	3,967,000	$ 0	5,020,000
Payments for Restructuring				(2,345,000)
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		874,000		874,000		874,000		75,000
Restructuring Charges				862,000
Payments for Restructuring				(63,000)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		$ 1,107,000		1,107,000		$ 1,107,000		$ 284,000
Restructuring Charges				3,105,000
Payments for Restructuring				(2,282,000)
International [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges							$ 3,900,000
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				800,000
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				$ 300,000
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 5,900,000
Maximum [Member] \| Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	1,200,000
Maximum [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	4,700,000
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	5,500,000
Minimum [Member] \| Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	1,000,000
Minimum [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 4,500,000