Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Restructuring and Other Special Charges (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended		3 Months Ended			3 Months Ended
	May 31, 2011 division reporting_units	Dec. 31, 2011	Dec. 31, 2011	Mar. 31, 2012	Mar. 31, 2011	Jun. 30, 2011 Severance Costs [Member]	Dec. 31, 2011 Severance Costs [Member]	Mar. 31, 2011 Severance Costs [Member]	Dec. 31, 2011 Facility Closing [Member]	Mar. 31, 2011 Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		$ 13,937,000	$ 13,937,000		$ 0		$ 13,326,000	$ 0	$ 611,000	$ 0
Restructuring Reserve, Current		10,300,000	10,300,000
Number of regional companies consolidated into divisions	12
Number of new divisions resulting from restructuring	4
Restructuring costs		748,000	14,078,000			13,300,000			700,000
Restructuring Reserve, Noncurrent		3,600,000	3,600,000
Restructuring and related cost, expected cost				21,000,000
Restructuring and Related Cost, Incurred Cost			$ 15,800,000