Fair Value Measurements (Assumptions for Mortgage Servicing Rights) (Details) $ in Thousands	Apr. 01, 2017 USD ($) Loans	Apr. 02, 2016 USD ($) Loans
Fair Value Disclosures [Abstract]
Number of loans serviced with MSRs | Loans	4,041	3,728
Weighted-Average Servicing Fee of Loans Held-in-portfolio	0.3142%	0.3043%
Capitalized servicing multiple	74.79%	61.65%
Capitalized Loan Servicing Rate of Loans Held-in-portfolio	0.235%	0.1876%
Serviced portfolio with MSRs (in thousands)	$ 472,492	$ 428,324
Mortgage servicing rights (in thousands)	$ 1,110	$ 803