Restructuring - Components of Restructuring Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 5,570	$ 4,653	$ 9,196
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	5,220	4,220
Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring expense	350	$ 433
North America Products
Restructuring Cost and Reserve [Line Items]
Restructuring expense	881
North America Products | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	881
North America Products | Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0
North America Services
Restructuring Cost and Reserve [Line Items]
Restructuring expense	3,864
North America Services | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	3,527
North America Services | Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring expense	337
International Products
Restructuring Cost and Reserve [Line Items]
Restructuring expense	278
International Products | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	265
International Products | Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring expense	13
International Services
Restructuring Cost and Reserve [Line Items]
Restructuring expense	547
International Services | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	547
International Services | Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 0