CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2017	Apr. 01, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 2,224	$ 2,184
Intangible assets, amortization	$ 232,714	$ 215,772
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	52,694,556	52,255,495
Common stock, shares outstanding (in shares)	52,694,556	52,255,495