Variable Interest Entities (Details) - Variable Interest Entity [Member] $ in Millions	Apr. 28, 2016 USD ($)	Apr. 01, 2016 USD ($) subsidiary
Variable Interest Entity [Line Items]
Variable interest entity, number of entities | subsidiary		1
Variable interest entity, total assets		$ 36.3
Variable interest entity, total liabilities		5.3
Variable interest entity, long-term debt		1.2
Standby Letters of Credit [Member]
Variable Interest Entity [Line Items]
Letter of credit facility, amount applied to guarantee VIE debt		$ 1.4
Subsequent Event [Member]
Variable Interest Entity [Line Items]
Payments to acquire remaining interest in VIE	$ 45.0