Basis of Presentation Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued Liabilities	$ (329,676)		$ (299,683)	$ (298,018)
Deferred tax liability	114,427		86,727	87,081
Total Liabilities	(1,131,457)		(1,149,649)	(1,148,338)
Retained earnings	777,593		797,432	798,743
Total Stockholders' Equity	254,981		$ 271,132	272,443
Royalty income and fees	3,351	$ 2,120
Total revenues	698,043	741,986
Gross profit	436,978	462,663
Other store expenses	185,949	197,440
Total operating expenses	447,248	461,511
Operating (loss) profit	(10,270)	1,152
Loss before income taxes	(21,421)	(10,322)
Income tax benefit	(1,578)	(3,643)
Net loss	(19,843)	$ (6,679)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued Liabilities	(2,668)			(1,665)
Deferred tax liability	428			354
Total Liabilities	(2,240)			(1,311)
Retained earnings	2,240			1,311
Total Stockholders' Equity	2,240			$ 1,311
Royalty income and fees	(64)
Total revenues	(64)
Gross profit	(64)
Other store expenses	(1,067)
Total operating expenses	(1,067)
Operating (loss) profit	1,003
Loss before income taxes	1,003
Income tax benefit	74
Net loss	929
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued Liabilities	(327,008)
Deferred tax liability	114,855
Total Liabilities	(1,129,217)
Retained earnings	779,833
Total Stockholders' Equity	257,221
Royalty income and fees	3,287
Total revenues	697,979
Gross profit	436,914
Other store expenses	184,882
Total operating expenses	446,181
Operating (loss) profit	(9,267)
Loss before income taxes	(20,418)
Income tax benefit	(1,504)
Net loss	$ (18,914)