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Employee Benefit Plans - Share-based Compensation Expenses and Related Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Share-based compensation expense and related tax benefit
Total share-based compensation expense	$ 10,705	$ 8,517
Income Tax Benefit	11,282	1,815
Total share-based compensation expense (credit), net of income tax	(577)	6,702
Cost of goods sold
Share-based compensation expense and related tax benefit
Total share-based compensation expense	711	675
Marketing and selling
Share-based compensation expense and related tax benefit
Total share-based compensation expense	4,381	3,437
Research and development
Share-based compensation expense and related tax benefit
Total share-based compensation expense	1,543	914
General and administrative
Share-based compensation expense and related tax benefit
Total share-based compensation expense	$ 4,070	$ 3,491

X

- Definition

Total income tax benefit from share-based awards in the respective period, primarily consists of tax benefit related to the share-based compensation expense for the period and direct tax benefit realized, including net excess tax benefits recognized, from stock-based awards vested or exercised during the period.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

No definition available.

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