Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 25,081	$ 38,791
Trade receivables, net	199,382	198,791
Installment receivables, net	1,970	2,188
Inventories, net	187,697	183,246
Deferred income taxes	318	0
Other current assets	40,560	41,776
Assets Held-for-sale, Current	0	103,157
Total Current Assets	455,008	567,949
Other Assets	42,653	42,262
Other Intangibles	69,168	71,652
Property and Equipment, net	116,066	118,231
Goodwill	462,294	462,200
Total Assets	1,145,189	1,262,294
Current Liabilities
Accounts payable	119,737	133,048
Accrued expenses	127,626	135,189
Accrued income taxes	12,082	2,713
Short-term debt and current maturities of long-term obligations	3,294	5,427
Liabilities of Assets Held-for-sale	0	23,358
Total Current Liabilities	262,739	299,735
Long-Term Debt	113,324	229,375
Other Long-Term Obligations	112,058	112,195
Shareholders' Equity
Preferred Shares (Authorized 300 shares; none outstanding)	0	0
Additional paid-in-capital	229,320	228,187
Retained earnings	399,330	364,546
Accumulated other comprehensive earnings	112,877	112,743
Treasury shares	(93,262)	(93,262)
Total Shareholders' Equity	657,068	620,989
Total Liabilities and Shareholders' Equity	1,145,189	1,262,294
Common Class A [Member]
Common Stock, Shares, Issued	34,055	33,952
Common Shares (Authorized 100,000 shares; 34,055 and 33,952 issued in 2013 and 2012, respectively) - no par
Shareholders' Equity
Common Shares	8,531	8,503
Common Class B (Authorized 12,000 shares; 1,085 and 1,086, issued and outstanding in 2013 and 2012, respectively - no par
Common Stock, Shares, Issued	1,085	1,086
Shareholders' Equity
Common Shares	$ 272	$ 272