Stockholder's Equity Equity Detail (Details)	3 Months Ended
Dec. 29, 2017
Equity [Abstract]
Share-based compensation expense	1.00%

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration