Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 item	Mar. 31, 2012
Segment Information
Number of reportable segments	2
Segment information
Net sales to external customers	$ 76,803	$ 77,953
Income (loss) from operations	5,581	2,163
Piano Segment
Segment information
Net sales to external customers	45,414	44,143
Income (loss) from operations	3,354	2,998
Piano Segment | U.S.
Segment information
Net sales to external customers	24,255	20,412
Income (loss) from operations	1,423	(273)
Piano Segment | Germany
Segment information
Net sales to external customers	10,579	12,591
Income (loss) from operations	621	1,877
Piano Segment | Other
Segment information
Net sales to external customers	10,580	11,140
Income (loss) from operations	1,310	1,394
Band Segment
Segment information
Net sales to external customers	31,389	33,810
Income (loss) from operations	3,176	1,133
Band Segment | U.S.
Segment information
Net sales to external customers	30,543	32,898
Income (loss) from operations	3,093	1,063
Band Segment | Europe
Segment information
Net sales to external customers	846	912
Income (loss) from operations	83	70
Other & Elim
Segment information
Income (loss) from operations	$ (949)	$ (1,968)