Earnings Per Share Earnings (Loss) Per Share Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Dec. 31, 2017	Jan. 01, 2017
Net Income (Loss)	$ (16,344)	$ 15,251	$ (31,383)	$ 1,103
Less: Allocation to Participating Securities	(150)	(332)	(301)	(225)
Net Loss Available to Common Shareholders	$ (16,494)	$ 14,919	$ (31,684)	$ 878
Average Shares of Common Stock Outstanding	42,154	42,081	42,130	42,287
Shares Used in Calculating Diluted Earnings (Loss) Per Share	42,154	42,142	42,130	42,337
Basic Earnings (Loss) Per Share	$ (0.39)	$ 0.35	$ (0.75)	$ 0.02
Diluted Earnings (Loss) Per Share	$ (0.39)	$ 0.35	$ (0.75)	$ 0.02