Shareholders' Equity/Capital Stock (Narrative) (Frisch's Executive Savings Plan) (Details) - shares	Jun. 02, 2015	Dec. 31, 1993
Shareholders' Equity/Capital Stock [Abstract]
Maximum number of shares reserved for issuance under the plan, adjusted for capitalization, FESP		58,492
Shares authorized for issuance, FESP		50,000
Shares in reserve, FESP	28,072
Number of shares allocated but not issued to participants, FESP	13,934