Restructuring and Other Special Charges, Net (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014 division companies	Mar. 31, 2013	Mar. 31, 2012
Restructuring Cost and Reserve [Line Items]
Number of regional companies consolidated into divisions	12
Number of new divisions resulting from restructuring	4
Restructuring costs		$ 1,523	$ 14,473
Restructuring costs (benefits), net		(2,177)	14,473
Restructuring reserve, accrual adjustment		(3,700)
Restructuring, other related costs		8,537	5,725
Impairment of intangible assets (excluding goodwill)		1,729
Asset impairment charges	0	1,729	4,250
Severance Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		0	13,330
Restructuring reserve, accrual adjustment		$ (3,700)