Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

A summary of gross property, plant and equipment at December 31 is presented in the following table:

($ in millions)	Expected useful lives (years)	2016		2015
Land		$	18.6	$	17.6
Buildings and improvements	5-50	443.3		412.8
Machinery and equipment	10-15	698.5		674.8
Molds and dies	4-7	98.3		94.4
Computer hardware and software	3-10	121.9		118.3
Construction in progress		174.1		122.4
		$	1,554.7	$	1,440.3