Consolidated Statement of Shareholders' Equity (Parentheticals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock issued during period, value, restricted awards, tax	$ 834	$ 543	$ 883

Stock issued during period, value, restricted awards, tax

No definition available.

Name:	kamn_StockIssuedDuringPeriodValueRestrictedAwardsTax
Namespace Prefix:	kamn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration