Document And Entity Information (USD $) In Millions, except Share data	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 30, 2011 Class A [Member]	Jul. 30, 2011 Class B [Member]
Entity Information [Line Items]
Entity Registrant Name	CROSS A T CO
Entity Central Index Key	0000025793
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 33
Entity Common Stock, Shares Outstanding			10,542,414	1,804,800
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 02, 2011