INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Deferred tax liabilities:
Goodwill amortization	$ 63,405,000	$ 58,423,000
Property, plant and equipment	3,339,000	6,011,000
Acquired Intangibles	18,062,000	18,091,000
Debt issuance costs	1,600,000	2,446,000
Tax accounting method changes	1,278,000	2,626,000
Other	4,511,000	1,578,000
Total deferred tax liabilities	92,195,000	89,175,000
Deferred tax assets:
Net operating loss carryforwards	4,943,000	5,499,000
Accrued expenses	15,573,000	11,870,000
Deferred benefit plan compensation	8,363,000	7,693,000
Provision for doubtful accounts	7,911,000	5,756,000
Inventory capitalization and reserves	2,408,000	2,247,000
Restricted stock	2,182,000	1,947,000
Deferred rent	1,432,000	1,282,000
Other	557,000	594,000
Gross deferred tax assets	43,369,000	36,888,000
Valuation allowance	(1,219,000)	(1,374,000)
Net deferred tax assets	42,150,000	35,514,000
Net deferred tax liabilities	50,045,000	53,661,000
Reconciliation of beginning and ending balances of unrecognized tax benefits
Unrecognized tax benefits, at beginning of the year	230,000	420,000	1,709,000
Additions for tax positions related to the current year	107,000		107,000
Additions for tax positions of prior years	79,000
Decrease related to prior year positions		(190,000)	(672,000)
Decrease for lapse of applicable statute of limitations	(39,000)		(724,000)
Unrecognized tax benefits, at end of the year	377,000	230,000	420,000
Total amount of unrecognized tax benefits, if recognized, would affect the effective tax rate	100,000
Federal
Income Taxes
Accumulated net operating losses	7,000,000	7,100,000
State
Income Taxes
Accumulated net operating losses	$ 49,700,000	$ 59,000,000