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.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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- Definition

Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 11
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65896914&loc=d3e39076-109324

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580

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- Definition

Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).

+ References

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Other Comprehensive Income (Loss) - Analysis of Changes in Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Losses on cash flow hedges expected to be reclassified to earnings within next 12 months			$ (300)
Interest Rate Swaps [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized gains (losses), tax	$ (31)	$ 229	136	$ (20)
Reclassification from AOCI, tax	53	(63)	99	(97)
Defined Benefit Plans, Amortization of Net Prior Service Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, tax	0	8	0	8
Defined Benefit Plans, Amortization of Net Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, tax	$ 0	(7)	$ (4)	(7)
Defined Benefit Plans, Curtailment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI, tax		$ (2,612)		$ (2,612)