XML 15 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6

SUBSEQUENT EVENTS (Details) (Lease)	1 Months Ended
SUBSEQUENT EVENTS (Details) (Lease)	Jul. 31, 2012
Lease
Subsequent event
Lease period	12 years 6 months

X

- Definition

Represents the lease period.

+ References

No definition available.

+ Details

Name:	knl_CapitalLeasePeriod
Namespace Prefix:	knl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration