Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 29, 2018	Mar. 31, 2018
Statement of Financial Position [Abstract]
Allowance for accounts receivable	$ 177	$ 134
Property and equipment, accumulated depreciation	1,130,891	911,910
Intangible assets, accumulated amortization	$ 1,978,206	$ 1,711,520
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	405,000,000	405,000,000
Common stock, shares issued	125,046,000	126,322,000
Common stock, shares outstanding	125,046,000	126,322,000