Accrued Expenses and Other (Narrative) (Details)	12 Months Ended
Mar. 31, 2017
Minimum
Segment Reporting Information [Line Items]
Limited warranty term	1 year
Maximum
Segment Reporting Information [Line Items]
Limited warranty term	10 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration