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Restructuring and Other Charges - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 731,000us-gaap_RestructuringCharges	$ 1,900,000us-gaap_RestructuringCharges	$ 8,500,000us-gaap_RestructuringCharges
Restructuring and other charges, net of tax	500,000	1,200,000
International Segment
Restructuring Cost and Reserve [Line Items]
Restructuring charges	588,000	400,000		600,000	3,700,000
European Segment
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 1,500,000		$ 100,000	$ 4,800,000

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details