Summary of Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Land	$ 24,861		$ 26,021
Buildings and Improvements	83,053		84,520
Leasehold Improvements and Signs	107,380		120,702
Fixtures and Equipment	196,965	[1]	172,483	[1]
Construction in Progress	2,086		4,347
Property, Plant and Equipment, Gross	435,482		429,197
Less: Accumulated Depreciation and Amortization	(216,065)		(197,904)
Property, Plant and Equipment, Net	219,417		231,293
Related Party
Property, Plant and Equipment [Line Items]
Assets Under Capital Leases:	10,573		10,574
Non-Related Party
Property, Plant and Equipment [Line Items]
Assets Under Capital Leases:	$ 10,564		$ 10,550

[1] Includes internal-use software development costs of $50.3 million and $36.3 million as of December 31, 2014 and 2013, respectively. Accumulated amortization of internal-use software development costs amounted to $14.8 million and $9.5 million as of December 31, 2014 and 2013, respectively.