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Subsequent Events - Acquisition of Underground Solutions (Details) € in Millions, $ in Millions		3 Months Ended
	Feb. 18, 2016 USD ($)	Sep. 30, 2013 EUR (€)	Sep. 30, 2013 USD ($)
Subsequent Event [Line Items]
Consideration transferred		€ 14	$ 18.3
UGSI \| Subsequent Event
Subsequent Event [Line Items]
Consideration transferred	$ 85.0
Discounted value of net operating loss tax assets	5.3
Consideration transferred, funds held in escrow	6.3
Foreign earnings repatriated	30.4
Foreign earnings repatriated, tax impact	$ 3.5