Restructuring Restructuring Activity (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 12,444	$ 0
Restructuring Reserve		10,158		$ 11,556
Restructuring charges	[1]	9,654
Payments for Restructuring		11,341
Restructuring Reserve, Translation Adjustment		289
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[2]	11,319
Restructuring Reserve		9,555		9,017
Restructuring charges	[1]	8,574
Payments for Restructuring		8,316
Restructuring Reserve, Translation Adjustment		280
Asset Impairments Related to Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		45
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,080
Restructuring Reserve		603		$ 2,539
Restructuring charges		1,080
Payments for Restructuring		3,025
Restructuring Reserve, Translation Adjustment		9
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		5,600
North America [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[2]	4,725
North America [Member] | Asset Impairments Related to Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		45
North America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		849
EMEA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		3,500
EMEA [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[2]	3,267
EMEA [Member] | Asset Impairments Related to Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		0
EMEA [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		208
ROW [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		3,400
ROW [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[2]	3,327
ROW [Member] | Asset Impairments Related to Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		0
ROW [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 23

[1] Excludes stock-based compensation of $2.6 million related to accelerated vesting of stock-based compensation awards for certain employees terminated as a result of the Company's restructuring activities for the three months ended March 31, 2016.

[2] The employee severance and benefit costs for the three months ended March 31, 2016 relates to the termination of approximately 500 employees. Substantially all of the remaining cash payments for those costs are expected to be disbursed through June 30, 2016.