Stock-based Compensation (Stock Options) (Details) - Stock options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Stock-based Compensation Arrangements [Line Items]
Vesting period	3 years
Contractual life	10 years
Stock-based Compensation, Fair Value Assumptions [Abstract]
Expected life (in years)	5 years	6 years 1 month
Risk-free interest rate	2.90%	2.10%
Annual forfeiture rate	6.30%	2.70%
Expected volatility	59.50%	45.30%
Dividend yield	0.00%	3.90%
Stock-based Compensation, Shares (in 000's) [Roll Forward]
Granted (in shares)	1,950
Exercised (in shares)	0
Forfeited or cancelled (in shares)	(195)
Outstanding, ending (in shares)	2,865	1,110
Exercisable (in shares)	663
Stock-based Compensation, Weighted Average Exercise Price (Per Share) [Roll Forward]
Granted (in dollars per share)	$ 2.81
Exercised (in dollars per share)	0.00
Forfeited or cancelled (in dollars per share)	29.02
Outstanding, ending (in dollars per share)	7.42	$ 19.30
Exercisable (in dollars per share)	$ 20.66
Stock-based Compensation, Additional Disclosures [Abstract]
Outstanding, Weighted Average Remaining Contractual Life	8 years 5 months
Exercisable, Weighted Average Remaining Contractual Life	3 years 11 months
Outstanding, Intrinsic Value	$ 0
Exercisable, Intrinsic Value	0
Total instrinsic value of options exercised	$ 0	$ 0
Closing stock price (in dollars per share)	$ 2.03
Stock-based Compensation, Nonvested, Shares (in 000's) [Roll Forward]
Granted (in shares)	1,950
Vested (in shares)	(148)
Forfeited (in shares)	0
Non-vested, ending (in shares)	2,204	402
Stock-based Compensation, Nonvested, Weighted Average Grant Date Fair Value (Per Share) [Roll Forward]
Granted (in dollars per share)	$ 1.47	$ 2.51
Vested (in dollars per share)	3.34
Forfeited (in dollars per share)	0.00
Non-vested, ending (in dollars per share)	$ 1.60	$ 2.89
Total unrecognized pre-tax stock-based compensation expense related to non-vested shares	$ 2,996
Weighted-average period of recognition	2 years 6 months