Segment Information- Net Sales and Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	$ 470,320	$ 482,203
Long lived assets	101,669		$ 91,593
Americas | Operating Segments
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	226,687	211,531
Long lived assets	48,353		48,527
EMEA | Operating Segments
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	127,366	153,700
Long lived assets	3,435		3,584
Asia Pacific | Operating Segments
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	116,267	$ 116,972
Long lived assets	$ 49,881		$ 39,482