Restructuring (Narrative) (Detail) (USD $)	3 Months Ended		12 Months Ended	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014 employee	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 500,000	$ 10,000,000
2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	300,000		18,900,000
Restructuring and Related Cost, Expected Number of Positions Eliminated			320
Reduction Of Global Workforce Percentage			3.00%
Acquisition Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			10,300,000
Restructuring and Related Cost, Expected Number of Positions Eliminated			240
Reduction Of Global Workforce Percentage			2.00%
Fluid Handling | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			7,800,000
Aerospace and Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring charges	900,000	2,818,000
Aerospace and Electronics | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			6,300,000
cash-related restructuring [Member] | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	538,000		18,700,000
cash-related restructuring [Member] | Acquisition Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			10,200,000
cash-related restructuring [Member] | Fluid Handling | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	2,200,000			2,600,000
cash-related restructuring [Member] | Aerospace and Electronics | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	100,000			1,200,000
non cash restructuring [Member] | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	200,000		200,000
non cash restructuring [Member] | Acquisition Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	200,000		100,000
UNITED KINGDOM | Fluid Handling | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			4,600,000
Expected Restructuring range minimum [Member] | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	4,000,000
Expected Restructuring range minimum [Member] | Acquisition Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			6,000,000
Expected Restructuring range maximum [Member] | 2014 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	6,000,000
Expected Restructuring range maximum [Member] | Acquisition Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 8,000,000