XML 71 R96.htm IDEA: XBRL DOCUMENT v3.2.0.727
Retirement Benefits - Additional Information (Detail)
12 Months Ended
Jun. 30, 2015
USD ($)
Contract
Jun. 30, 2014
USD ($)
Jun. 30, 2013
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit benefit plan, plan assets $ 3,764,000 $ 6,641,000 $ 6,801,000
Available-for-sale securities 54,900,000    
Contribution amounts expected to be paid 2016 10,000,000    
Contribution amounts expected to be paid 2017 9,700,000    
Contribution amounts expected to be paid 2018 10,100,000    
Contribution amounts expected to be paid 2019 9,200,000    
Contribution amounts expected to be paid 2020 9,800,000    
Contribution amounts expected to be paid 2021 to 2025 $ 60,900,000    
Percent of assets invested in unitized fund 100.00%    
Plan Assets Exceed Obligations [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Plan assets exceed obligations $ 0 0  
Retirement Savings Plan [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Maximum employees contribution rate, pretax 50.00%    
Safe harbor non-elective contribution rate 3.00%    
Matching contribution by employer 50.00%    
Matching contribution rate 6.00%    
Matching and profit contribution vesting rate 25.00%    
Expenses related to the retirement Savings Plan $ 12,000,000 9,300,000 $ 8,700,000
SERP [Member] | Irrevocable Trust [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit benefit plan, plan assets 98,400,000 97,400,000  
Retirement benefits Cash and cash equivalents 6,100,000 58,100,000  
Surrender value of life insurance policies 40,000,000 39,300,000  
SERP [Member] | Irrevocable Trust [Member] | Equity and Fixed Income Mutual Funds [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Available-for-sale securities 52,300,000 $ 0  
Foreign Plan One [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit benefit plan, plan assets 3,600,000    
Foreign Plan Two [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit benefit plan, plan assets $ 200,000    
Number of insurance contracts | Contract 2