XML 15 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6

Summary of Significant Accounting Policies - Schedule of Net Patient Service Revenue by Specialties and Subspecialties (Detail)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Net patient service revenue in percentage	100.00%	100.00%	100.00%
Neonatal And Other Pediatric Subspecialties [Member]
Segment Reporting Information [Line Items]
Net patient service revenue in percentage	56.00%	60.00%	65.00%
Anesthesia [Member]
Segment Reporting Information [Line Items]
Net patient service revenue in percentage	27.00%	21.00%	16.00%
Maternal-Fetal [Member]
Segment Reporting Information [Line Items]
Net patient service revenue in percentage	12.00%	13.00%	13.00%
Pediatric Cardiology [Member]
Segment Reporting Information [Line Items]
Net patient service revenue in percentage	5.00%	6.00%	6.00%

X

- Definition

The percentage of net product revenue to total net revenue from the sale of goods as of year end.

+ References

No definition available.

+ Details

Name:	us-gaap_SalesRevenueGoodsNetPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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