Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 32,668	$ 34,924
Trade receivables, net	255,359	247,974
Installment receivables, net	4,542	6,671
Inventories, net	214,155	192,761
Deferred income taxes	1,038	1,620
Other current assets	46,096	44,820
Total Current Assets	553,858	528,770
Other Assets	42,834	42,647
Other Intangibles	80,577	83,320
Property and Equipment, net	128,185	129,712
Goodwill	495,095	496,605
Total Assets	1,300,549	1,281,054
Current Liabilities
Accounts payable	160,974	148,805
Accrued expenses	124,991	132,595
Accrued income taxes	150	1,495
Short-term debt and current maturities of long-term obligations	7,371	5,044
Total Current Liabilities	293,486	287,939
Long-Term Debt	260,276	260,440
Other Long-Term Obligations	109,706	106,150
Shareholders' Equity
Preferred Shares (Authorized 300 shares; none outstanding)	0	0
Additional paid-in-capital	222,943	221,409
Retained earnings	372,136	364,300
Accumulated other comprehensive earnings	126,062	124,876
Treasury shares	(92,803)	(92,803)
Total Shareholders' Equity	637,081	626,525
Total Liabilities and Shareholders' Equity	1,300,549	1,281,054
Common Shares (Authorized 100,000 shares; 33,836 and 33,835 issued in 2012 and 2011, respectively) - no par
Shareholders' Equity
Common Shares	8,471	8,471
Class B Common Shares (Authorized 12,000 shares; 1,086 and 1,086, issued and outstanding in 2012 and 2011, respectively - no par
Shareholders' Equity
Common Shares	$ 272	$ 272