XML 47 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6

EARNINGS PER COMMON SHARE (Textuals) (Details)	Jul. 31, 2012
Earnings Per Share [Abstract]
Board approved reverse stock split ratio	3.25

X

- Definition

Reverse Stock Split, Conversion Ratio

+ References

No definition available.

+ Details

Name:	gmed_ReverseStockSplitConversionRatio
Namespace Prefix:	gmed_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

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