Income Taxes Narrative (Details) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized tax benefits that would impact effective tax rate	$ 127,000	$ 0
Unrecognized tax benefits	11,252,000
Significant change in unrecognized tax benefits is reasonably possible	3,053,000
Income tax penalties and interest expense	194,000	196,000
Accrued interest on income tax contingencies	3,050,000
Noncurrent Income Tax Liability
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized tax benefits	6,555,000
Accrued interest on income tax contingencies	1,324,000
Current Income Tax Liability
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized tax benefits	4,697,000
Accrued interest on income tax contingencies	1,726,000
State and Local Jurisdiction
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Settlements	$ 603,000	$ 0