Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	$ 39,837	$ 40,569	$ 79,376	$ 84,887
Adjustment for:
Intangible amortization			6,330	6,207
Corporate and other expense (income), net	(6,985)	(6,738)	(11,944)	(9,855)
Interest (Income) Expense, net	(152)	15	(91)	40
Other Income, net	(270)	(427)	(1,361)	(886)
Income before income taxes	40,259	40,981	80,828	85,733
Operating Segments [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	35,933	36,982	73,762	81,239
Service Center Based Distribution [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	25,569	28,367	53,941	62,088
Adjustment for:
Intangible amortization	1,887	1,304	3,382	2,527
Fluid Power Businesses [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Total operating income	10,364	8,615	19,821	19,151
Adjustment for:
Intangible amortization	$ 1,194	$ 1,847	$ 2,948	$ 3,680