XML 70 R51.htm IDEA: XBRL DOCUMENT v3.3.1.900
Fair Value Measurements - Maturities of Available-for-sale marketable securities (Details)
$ in Millions
Feb. 27, 2016
USD ($)
Fair Value Disclosures [Abstract]  
Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis $ 0.4
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value 0.4
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis $ 0.4