Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Mar. 01, 2016	Feb. 28, 2017	Mar. 01, 2016
Revenue:
Restaurant sales and operating revenue	$ 224,938	$ 269,868	$ 694,517	$ 807,105
Franchise revenue	794	1,602	2,591	4,801
Total revenue	225,732	271,470	697,108	811,906
Operating costs and expenses:
Cost of goods sold	64,340	75,143	198,672	221,689
Payroll and related costs	80,080	93,357	251,105	280,976
Other restaurant operating costs	45,086	55,311	149,069	173,903
Depreciation and amortization	10,121	12,732	31,838	38,474
General and administrative expenses	13,876	14,148	48,359	44,226
Marketing expenses, net	13,807	13,230	43,328	40,396
Closures and impairments, net	13,441	6,123	59,341	20,907
Interest expense, net	4,870	4,995	14,591	16,100
Total operating costs and expenses	245,621	275,039	796,303	836,671
Loss before income taxes	(19,889)	(3,569)	(99,195)	(24,765)
Benefit for income taxes	(84)	(483)	(1,742)	(1,686)
Net loss	(19,805)	(3,086)	(97,453)	(23,079)
Other comprehensive income:
Pension liability reclassification	356	885	1,066	1,347
Total comprehensive loss	$ (19,449)	$ (2,201)	$ (96,387)	$ (21,732)
Loss per share:
Basic (in dollars per share)	$ (0.33)	$ (0.05)	$ (1.62)	$ (0.38)
Diluted (in dollars per share)	$ (0.33)	$ (0.05)	$ (1.62)	$ (0.38)
Weighted average shares:
Basic (in shares)	60,262	60,918	60,074	61,239
Diluted (in shares)	60,262	60,918	60,074	61,239