CONSOLIDATED STATEMENTS OF OPERATIONS In Thousands, except Per Share data, unless otherwise specified	1 Months Ended				12 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2013 CHF	Sep. 30, 2012 USD ($)	Sep. 30, 2012 CHF	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales					$ 2,128,713	$ 2,099,277	$ 2,316,203
Cost of goods sold					1,400,844	1,389,643	1,508,670
Gross profit					727,869	709,634	807,533
Operating expenses:
Marketing and selling					379,747	431,886	422,116
Research and development					139,385	155,012	162,159
General and administrative					118,940	114,381	109,260
Impairment of goodwill and other assets						216,688
Restructuring charges					13,811	43,704
Total operating expenses					651,883	961,671	693,535
Operating income (loss)					75,986	(252,037)	113,998
Interest income (expense), net					(397)	907	2,674
Other income (expense), net					1,993	(2,198)	7,655
Income (loss) before income taxes					77,582	(253,328)	124,327
Provision for (benefit from) income taxes					3,278	(25,810)	20,090
Net income (loss)					$ 74,304	$ (227,518)	$ 104,237
Net income (loss) per share:
Basic (in dollars per share)					$ 0.46	$ (1.44)	$ 0.60
Diluted (in dollars per share)					$ 0.46	$ (1.44)	$ 0.59
Shares used to compute net income (loss) per share :
Basic (in shares)					160,619	158,468	174,648
Diluted (in shares)					162,526	158,468	175,591
Cash dividends per share (in dollars per share)	$ 0.22	0.21	$ 0.85	0.79	$ 0.22	$ 0.85