Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Tax Assets:
Inventory	$ 30,880	$ 29,523
Accrued expenses and reserves	29,970	27,361
Stock-based compensation	11,519	9,442
Accounts receivable	11,161	10,037
Qualified and nonqualified retirement plans	10,210	7,476
Net operating loss carryforwards	5,181	4,451
Interest rate swaps	3,070	5,461
Other	4,777	4,711
Total deferred tax assets, gross	106,768	98,462
Less valuation allowance	(1,092)	(1,631)
Total deferred tax assets	105,676	96,831
Deferred Tax Liabilities:
Goodwill and other intangible assets	83,097	64,704
Property and equipment	50,695	48,994
Trade name	40,929	30,336
Other	2,693	1,428
Total deferred tax liabilities	177,414	145,462
Net deferred tax liability	$ (71,738)	$ (48,631)