CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 28,713		$ 40,216
Accounts receivable, net of reserve for doubtful accounts of $7,166 and $6,878	138,903		151,441
Inventories, net	138,069		124,300
Prepaid expenses and other	20,588		12,336
Current deferred taxes	39,453		39,090
Total current assets	365,726		367,383
Property, plant and equipment, net of accumulated depreciation of $56,243 and $54,014	62,907		62,507
Goodwill	487,290		477,812
Other intangibles	231,798		234,726
Other assets	3,912		4,084
Total assets	1,151,633	[1]	1,146,512
Current liabilities:
Current maturities of long-term debt	315,104		315,831
Accounts payable	60,830		63,394
Accrued expenses	146,640		170,392
Total current liabilities	522,574		549,617
Long-term debt	1,519		1,504
Long-term deferred tax liability	42,199		37,845
Other non-current liabilities	45,598		46,577
Stockholders' equity:
Preferred stock, $0.01 par value; nonvoting; 2,000,000 shares authorized; none issued
Common stock, $0.01 par value; 47,500,000 shares authorized; 23,273,540 and 23,093,338 shares issued in 2012 and 2011, respectively	139		137
Paid-in capital	214,046		202,321
Treasury stock at cost; 4,551,506 and 4,437,428 shares in 2012 and 2011, respectively	(137,729)		(126,682)
Retained earnings	477,822		455,727
Accumulated other comprehensive loss	(14,535)		(20,534)
Total stockholders' equity	539,743		510,969
Total liabilities and stockholders' equity	$ 1,151,633		$ 1,146,512

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.