Name:	CSM_AccountsPayableTradeVendorA
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendor B for goods and services received that are used in an entity's business. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date).

No definition available.

Name:	CSM_AccountsPayableTradeVendorB
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendor C for goods and services received that are used in an entity's business. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date).

No definition available.

Name:	CSM_AccountsPayableTradeVendorC
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount due from customer A, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

No definition available.

Name:	CSM_AccountsReceivableTradeCustomerA
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount due from customer C, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

No definition available.

Name:	CSM_AccountsReceivableTradeCustomerC
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors A,B and C for goods and services received that are used in an entity's business. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date).

No definition available.

Name:	CSM_TotalAccountsPayableTradeVendor
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount due from customers A and C, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

No definition available.