Cash Dividends (Details) - $ / shares			3 Months Ended
	Dec. 01, 2015	Sep. 02, 2015	Dec. 31, 2015	Dec. 31, 2014
Cash Dividends
Cash dividends declared, per share (in dollars per share)	$ 0.6875	$ 0.6875	$ 0.6875	$ 0.6875
Cash dividend paid, per share (in dollars per share)	$ 0.6875