Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014
Statement of Financial Position [Abstract]
Trade accounts receivable, allowances (in dollars)	$ 12,520	$ 15,569
Property and equipment, accumulated depreciation	111,261	103,090
Other intangible assets, accumulated amortization	$ 27,912	$ 26,026
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	125,000,000	125,000,000
Common stock, issued shares	34,629,000	34,624,000
Common stock, outstanding shares	34,629,000	34,624,000