v2.4.0.8

Inventories - Additional Information (Detail) (New Inventory Rotation Methodology)	3 Months Ended		12 Months Ended
	Mar. 31, 2013 D	Mar. 31, 2012 D	Dec. 31, 2012 D
New Inventory Rotation Methodology
Inventories [Line Items]
Inventory rotation days	53	41	45

X

- Details

Name:	ck0001046880_InventoriesLineItems
Namespace Prefix:	ck0001046880_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of inventory rotation days.

+ References

No definition available.

+ Details

Name:	ck0001046880_NumberOfInventoryRotationDays
Namespace Prefix:	ck0001046880_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration